But only to take on mail, not passengers.

但它只停站装邮件，不载旅客。

youdao

He agreed that a train did come into the station at the time on the paper and that it did stop, but only to take on mail, not passengers.

搬运工说，正如纸条所说，确有一趟火车在那个时刻到站，但它只停站装邮件，不载旅客。

youdao

Passengers must not smoke until the signs have been switched off.

指示灯未熄灭之前乘客不许抽烟。

《牛津词典》

They say passengers who sit for hours need to drink plenty of water not liquids that contain alcohol or caffeine.

VOA: special.2009.07.14

With the trains not moving, thousands of passengers are stuck where they are.

VOA: standard.2009.12.21

Passengers,who do not disembark in Brisbane, will be kept onboard until the cruise liner departs for Sydney, its final destination, where similar precautions will be put into place.

VOA: standard.2009.05.30

Other firms, such as Masten Space Systems, also of Mojave, are focusing on suborbital launchers that fly experiments and payloads, not passengers.

MSN: Win a Free Trip to Space

The furthest-advanced of the new airship companies, a German-American firm called CargoLifter, is planning a 260-metre-long airship that is intended to lift goods, not passengers.

ECONOMIST: Pushing the envelope

For the most part, they're players, not passengers.

WSJ: Dan Zevin: Driving in the Car With Dad