Given that predators can make it costly to beg for food, what benefit do begging nestlings derive from their communications?

既然捕食者可以让雏鸟为食物付出巨大代价，那么乞食的雏鸟们到底可以从这种交流方式中得到什么益处呢？

youdao

He said he would starve rather than beg for food.

他说他宁愿挨饿也不要饭吃。

youdao

He knocked at the door of a rich man to beg for food.

他敲上了一个富人家的门，想跟他讨点儿东西吃。

youdao

and literally beg you for whatever they want like, if it's money, something to drink, food.

求你给他们一些东西，钱、喝的、食物，什么都可以。

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Many traumatized women and children would often come to the hotel to beg for food.

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"Now we have to beg for food and the local community gives us some food and that's how we survive -- we have nothing else, " says Mohammed.

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