This can be as simple as picking up litter in a park or volunteering to clean up a beach.

这可以简单如在公园捡拾垃圾或自愿清理海滩。

youdao

Picking up litter is only one of an endless supply of possible helping rituals.

捡垃圾只不过是无数善行中的一种形式而已。

youdao

One person can make a difference by picking up litter.

一个人可以通过捡起垃圾而做出改变。

youdao

He likes to volunteer in his local community by helping with training new police recruits and litter-picking.

BBC: People's Assembly 2011

The extra wardens will target anyone "blatantly dropping litter" or not picking up after their dog.

BBC: Leeds City Council uses security staff as litter wardens

Offenders are ordered to carry out work such as picking up litter, renovating community centres and clearing undergrowth and graffiti for local communities.

BBC: Community service plan 'failing'