钱快花光了，到下个月收入前，我们必须省着点儿过日子了。

All money is almost used up, we must rough it before next income.

youdao

前言： 目的：了解浙江省上虞市学龄前儿童龋患情况。

Objective:To understand the caries status in preschool children of Shangyu city.

youdao

前言： 目的：了解浙江省上虞市学龄前儿童龋患情况。

Objective:To understand the caries status in preschool children of Shangyu city.

youdao