Or you need to gather data about demographics, usage and other general marketing research.

或者你需要收集有关人口，使用和其他一般的市场研究数据。

youdao

This will require talking to the homeowner about their general past and current water usage.

这个就需要去了解房东他们过去和现在的一般用水量。

youdao

This will require talking to the homeowner about their general past and current water usage.

这个就需要去了解房东他们过去和现在的一般用水量。

youdao