无论您何时更改文件，您都可以通过在签出时声明一个活动来确认您进行更改的原因。

Whenever you change a file, you identify the reason you are making that change by declaring an activity at checkout time.

youdao

当然，侵蚀是造成其破坏的主要原因之一，但人类活动应承担的责任也越来越大。

Erosion, of course, is one of the key reasons for its destruction, but human activity is also increasingly responsible.

youdao

除了说它在思考之外，还有什么其他原因可以解释肌肉活动的这种变化吗？

Is there anything else that might account for this change in muscular activity, other than saying that it is thinking?

youdao

And yet, it seems to me that there are many activities, and if not many at least several activities, that people do precisely for that reason.

然而，在我看来是有许多活动，如果算不上许多也至少是一些活动，是人们出于那个原因而去做的。

耶鲁公开课 - 死亡课程节选

Since it's available only to accredited investors, you can't be advertising because everyone would see it; that's why the financing of a lot of this real estate is something of a mystery, because they can't talk openly about it.

由于DPP仅仅面向可信投资者,如果做广告的话,便人尽皆知,这就是为什么很多商业地产的金融活动,那么神秘,原因就是,人们不能公开谈论它

耶鲁公开课 - 金融市场课程节选