To make sure no members of the tour get lost, we count noses every time they get back on the bus.
To make sure no members of the tour get lost, we count noses every time they get back on the bus.
为了保证旅行社团员没有走失，每当他们回到汽车上的时候，我们都必须清点人数。
To make sure no members of the tour get lost, we count noses every time they get back on the bus.
为了保证旅行社团员没有走失，每当他们回到汽车上的时候，我们都必须清点人数。