高级阅读的难点往往不是事实，而是作者对事实的承诺程度。`demonstrate`, `suggest`, `appear`, `be consistent with` 和 `cannot rule out` 形成不同证据关系。
如何区分观察、推断、解释和主张？为什么谨慎表达不是“没信心”，而是对证据边界的编码？
consistent with 表示相容，不表示唯一证明。cannot rule out X 保留 X 的可能性，不等于认为 X 最可能。The results demonstrate that the intervention reduced errors.
demonstrate 承诺较强，暗示证据足以支持该因果结论。
The results suggest that the intervention may have reduced errors.
suggest 与 may 双重降低承诺，保留其他解释。
The pattern is consistent with a learning effect.
数据与学习效应相容，但也可能与其他机制相容。
Participants reportedly changed their behavior.
reportedly 把信息归于报告来源，作者不声称直接观察。
It appears that the association weakens over time.
非人称结构把命题呈现为基于现有证据的暂定判断。
One possible interpretation is that expectations changed.
作者明确只提出一种可能解释，不排他。
The evidence does not rule out reverse causality.
反向因果仍可能成立；句子没有断言它已经发生。
Importantly, the estimate remains large after adjustment.
Importantly 是作者评价，不是数据本身；remains 突出调整前后稳定。
The estimates are broadly consistent with the proposed mechanism, but they do not identify it uniquely. The effect appears strongest among participants with prior experience, which may indicate that the program complements existing skills. An alternative explanation, however, is that experienced participants were better able to report improvement. The findings should therefore be treated as suggestive rather than decisive.
段落依次编码相容性、表面趋势、可能解释、替代解释和最终承诺等级。删掉这些立场词会把谨慎推理错误升级为确定结论。
训练语境：学术科研
比较 shows 与 suggests。
shows 通常承担较强证明责任；suggests 表示证据朝某方向但未排除竞争解释。选择哪一个应由研究设计和证据强度决定。
训练语境：学术科研
The findings are compatible with X 能否改写为 X is true？
不能。compatible 只表示 X 能产生或不违背这些发现；若 Y 也兼容，证据就没有唯一识别 X。
训练语境：学术科研
解释：The effect is unlikely to be entirely mechanical.
作者认为“完全由机械因素造成”的概率低，但没有排除机械因素部分参与。entirely 限定被否定解释的范围。
训练语境：学术科研
According to administrative records 做了什么？
它标记证据来源，使读者能区分作者观察与记录报告，并评估该来源的覆盖、误差和定义。
训练语境：学术科研
arguably 是否等于“肯定”？
不等于。它表示存在可辩护的理由，但命题仍开放争论。作者邀请读者评估论证，而非宣布无争议事实。
训练语境：学术科研
解释 at least in the short run。
它把结论限制在短期，拒绝自动推广到长期。at least 保留长期也可能成立，但当前证据只足以承担短期承诺。
训练语境：真实生活
比较 He is late 与 He seems to be late。
前者直接断言迟到；后者基于迹象作表面判断，保留时钟错误、行程变化等可能。seems 降低认识承诺。
训练语境：真实生活
Apparently, the meeting was canceled 暗示什么？
说话者根据间接信息或表面证据判断会议取消，不把自己呈现为直接权威来源。
训练语境：真实生活
解释：I could be wrong, but the charge looks duplicated.
前半句管理人际立场并降低承诺，后半句仍提出具体判断。谨慎不等于没有主张，而是标明证据和可修正性。
训练语境：真实生活
That definitely might happen 为什么不协调？
definitely 增强确定性，might 保留可能性，两者直接组合产生立场冲突。可说 That might well happen 表示较强可能，或 That will definitely happen 表确定。
The results appear to support the hypothesis that deliberation reduces polarization, although the evidence is not decisive. The strongest effect is observed among participants who entered the discussion with moderate views, which suggests that the treatment may have helped those who were already open to revision. It would therefore be premature to claim that deliberation depolarizes groups in general. A more cautious interpretation is that structured discussion can create opportunities for movement under favorable initial conditions.
appear to 和让步从句控制断言强度。appear to support 表示证据倾向，不是最终证明。although the evidence is not decisive 明确限制结论强度。which suggests... 回指前面整个观察结果，而非单个名词。It would therefore be premature to claim... 是评价性立场：现在下普遍结论还太早。高阶语境：学术科研
列出本段至少三个降低断言强度的表达，并说明它们如何保护论证。
可以列出 appear to, not decisive, may have helped, premature to claim, more cautious interpretation, can create opportunities。这些表达防止把有限证据说成普遍定律，使结论与证据强度匹配。
高阶语境：学术科研
第二句的 which suggests 指向什么？为什么重要？
它指向“最强效应出现在原本观点较温和的参与者中”这一观察，而不是单独指 moderate views。这很重要，因为作者据此推断机制：讨论可能帮助的是本来就愿意修正观点的人。
高阶语境：真实生活
把“这个方法可能有帮助，但现在说它适合所有人还太早”写成英文，使用谨慎立场表达。
可以写：The method may be helpful, but it would be premature to claim that it works for everyone. may 和 premature to claim 都限制了断言范围。
给每个结论标注“观察、来源报告、推断、解释、评价”，再给承诺强度分级。任何复述都必须保留原文的证据来源和强度。