现有的所有氦供给应该被保存下来，并且只有在获得许可的情况下才能释放，医疗用途优先于其他商业或娱乐需求。

All existing supplies of helium ought to be conserved and released only by permit, with medical uses receiving precedence over other commercial or recreational demands.

youdao

首先，所有现有的氦供应应该被保存下来，并且只有在获得许可的情况下才能释放，医疗用途应优先于其他商业或娱乐需求。

Firstly, all existing supplies of helium ought to be conserved and released only by permit, with medical uses receiving precedence over other commercial or recreational demands.

youdao

她在通用电气开始了自己的商业生涯，并于1988年加入杜邦公司，担任该公司医疗成像业务的营销经理。

She began her business career at General Electric and joined DuPont in 1988 as a marketing manager in the company's medical imaging business.

youdao

Students come from education, business, law, medicine, etc, bringing in their own credentials with them.

学生来自教育，商业，法律，医疗等各个领域，都有自己的文凭。

哈佛公开课 - 幸福课课程节选