大约20人，可能会多一些，也可能会少一些。

Oh, there'll be about 20, I think. Give or take a few.

youdao

在短期的运行中，费用可能会多一些，但是长期的运行将有助于您的企业节约实现成本。

This may be a bit more expensive in the short run, but in the long run could help your organization save money on implementation costs.

youdao

有人可能会认为聚变推进需要一些能量高于标准的化学燃料一百多万倍的稀有燃料推进一个火箭。

One might think that fusion propulsion requires some exotic fuel to propel a rocket a million-or-so-times more energetically than standard chemical fuels.

youdao