什么是 “To the Extent That”？
“To the extent that” 是一个英语中的程度状语从句引导词，用于说明某事发生的程度或范围。 它常用于正式或学术写作中，表达因果关系或限制条件。
The policy was successful to the extent that it reduced unemployment by 5%.
（这项政策是成功的，因为它使失业率降低了5%。）
基本结构与用法
基本句型为：
- [主句] + to the extent that + [从句]
其中，“that” 有时可省略（尤其在非正式语境中），但保留更清晰。
She agreed with the proposal to the extent that it addressed environmental concerns.
常见同义表达
在不同语境下，可用以下短语替换（注意语气和正式程度差异）：
- Insofar as
- To the degree that
- As far as
- Inasmuch as
例如：
Insofar as the data is accurate, we can trust the conclusion.
使用注意事项
- 避免过度使用——该结构偏正式，日常口语中较少见。
- 不要与 “to the effect that” 混淆（后者意为“大意是……”）。
- 从句部分需有完整主谓结构，不可残缺。
实用例句集锦
- He was criticized to the extent that he resigned from the committee.
- The movie was enjoyable to the extent that it kept me engaged throughout.
- We support the initiative to the extent that it promotes social equity.