英语语法分析

Why, for instance, do water users in a megacity like Lagos not pay an extra charge to get cesspits pumped out?

例如，为何不让像拉各斯这样大城市的用水者交纳些额外费用以资助抽粪出坑呢？

Cesspits and cesspools shall be available in the catering trade not within the service sectors of drainage network.

在排水管网服务区外的饮食业应当设污水池或化粪池。