政府用它来了解有多少人乘坐公共汽车或火车。

The government uses it to understand how many people travel on buses or trains.

youdao

有一辆公共汽车来了，不过车上坐满了人。—。

There e's a bus coming, but it's full.

youdao

有一辆公共汽车来了，不过车上坐满了人。

There's a bus coming, but it's full.

youdao

有一辆公共汽车来了，不过车上坐满了人。

There's a bus coming, but it's full.

youdao