And they were the ones that the street sweepers wore.

有阵子街头的清洁工也穿这衣服。

They'd created a health commission, hired some street sweepers and started naming and numbering the 90 or so existing streets.

他们成立了一个卫生委员会，雇用了一些街道清洁工，并开始为 90 条左右的现有街道命名和编号。