If there's a group, responsibility to help decreases and this is captured in different ways but the main idea is we all think someone else will help so we don't. There's a diffusion.

如果是一群人，帮助的责任就会分散变小，这体现在多个方面，但最主要的想法就是我们都认为别人会帮助，所以我们就不帮助了，责任被分散了。

youdao

If there's a group, responsibility to help decreases and this is captured in different ways but the main idea is we all think someone else will help so we don't. There's a diffusion.

如果是一群人，帮助的责任就会分散变小，这体现在多个方面，但最主要的想法就是我们都认为别人会帮助，所以我们就不帮助了，责任被分散了。

youdao