如果出现了错误，它们就被以为是现场指挥官的错。

If mistakes occurred, they were assumed to be the fault of the commander on the spot.

《柯林斯英汉双解大词典》

这样的话，如果出现麻烦，就会有人去找你。

That way, someone will go search for you if troubles appear.

youdao

如果出现这种情况，说明你可能很焦虑，而焦虑会阻止你追求梦想。事实上，焦虑滋生于逃避，让你更不自信，而开始行动可以帮助你减少焦虑。

If these happen, it shows that you are probably anxious, and your anxiety will stop you from going after your dreams. Actually, anxiety feeds on avoidance and makes you less confident, while getting started and taking action help your anxiety go down.

youdao

In structuralism, if something emerges, it emerges from between two things.

结构主义中，如果某事物出现了，它出现于两事物之间。

耶鲁公开课 - 文学理论导论课程节选

But over and over again, if you put the bell and the food together, pretty soon the bell will generate saliva.

但是，如果铃声和食物多次同时出现，很快，铃声便也能促使狗分泌出唾液。

耶鲁公开课 - 心理学导论课程节选

And if we do, in fact, hit it with light to get the electrons off, it will go back to the straight up in position, or if it gets knocked hard enough it does that, too.

而且如果我们这么做，事实上，用光轰击它以逐出电子，它就会在原位置沿直线返回，或者如果它被撞击的足够猛烈,也会出现上述现象。

麻省理工公开课 - 化学原理课程节选