Up to 300 people live on the platform at a time, but keeping it fully manned involves more than twice that figure, since most staff get three weeks off for every two that they work.

每一次工作的时候都有多达300人同时住在平台上，但是为了能充分维持这种工作状态所需的人力数超过这个数字的两倍以上，因为大多数员工在每两个星期的工作结束之后就会得到两个星期的假期。

youdao

In 5, no manned protection lifting platform no manned.

无载人保护的升降台严禁载人。

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President Obama declined to keep the shuttles going, canceled the planned replacement platform for manned space flight and thereby condemned this country for the foreseeable future to reliance on Russian and perhaps, in due course, Chinese rockets to deliver our astronauts to the space station.

CENTERFORSECURITYPOLICY: Obama's Legacy

But some scientists question whether manned exploration provides the best platform for scientific research.

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