If no people clean streets and take the rubbish away, terrible diseases will soon appear and spread easily.

如果没有人打扫街道，把垃圾带走，可怕的疾病很快就会出现并且很容易传播。

youdao

But let's be honest—who goes to New York for its clean streets?

但是说实话，谁去纽约是为了纽约干净的街道？

youdao

At last, I want to be a volunteer to help farmers with some farm work and help cleaners to clean streets.

最后，我想做一名志愿者，帮助农民们做一些农场工作，帮助清洁工人打扫街道。

youdao

Residents in the city donned masks and helped clean streets or deliver first aid.

CNN: STORY HIGHLIGHTS

May Gurney employs more that 6, 000 people and mend potholes, collect and recycle household rubbish, clean streets, repair street lights and rebuild railway bridges.

BBC: 'Outsource more council services'

Beneath the veneer of its squeaky-clean streets, super-efficient tram systems, rigorous banking principles and holier-than-thou Alpine churches lies a somewhat stranger city that is ready to surprise at every turn.

BBC: The stranger side of Switzerland