他们捐助食物和衣服救济贫民。

They have offered food and clothes for the relief of the poor.

《新英汉大辞典》

这是基于人际互惠的原理：今天的互助救济受益者有可能会是明天的捐助者，反之亦然。

It was based on reciprocity: today's mutual-aid recipient could be tomorrow's donor, and vice versa.

youdao

我们捐助了食物和衣物救济贫民。

We contributed food and clothing to the poor.

youdao