不过，当与其母亲分开时，幼年的黑猩猩和猿会啜泣和尖叫，难道我们不能带点把握地说，它们是在哭泣吗？

But what about when a baby chimp or ape whimpers and screams as it's being separated from its mother, couldn't we say with some certainty that the animal is crying?

youdao

我的母亲总是告诉我们有打翻了牛奶哭泣是没有用。

My mother always told us there is no use crying over spilled milk.

youdao

我的母亲总是告诉我们有打翻了牛奶哭泣是没有用。

My mother always told us there is no use crying over spilled milk.

youdao