Confounders
(confounder 的复数) n. confound的变形
🗣️ 情景例句
I've thought about that for some time.
我已经想过一阵子了。
The first step is as good as half over.
第一步的成功等于事情的一半已完成。
The next man to approach me was selling expensive pens and watches.
向我兜售的第二个人是卖名贵钢笔和手表的。