提示：点击例句中的单词，就可以看到词义解释

Ets fought it out with three other rivals and lost its contract .

ETS与其他三家对手展开竞争，最终失去了它的合同。

We had little staff , no infrastructure , and no reach beyond ets .

“我们那时候几乎没有员工，也没有基础设施，合作伙伴只有ETS一家。

Quickly , however , a conflict arose between wilson and ets officials over how to handle the problem . "

但在如何处理这个问题上，威尔逊和ETS官员很快就产生了冲突。

Europe already has an emissions-trading system ( ets ) for its five dirtiest industries .

针对五类污染最严重的产业，欧洲制定了排放交易方案（ets）。

So how did ets become part of the mix ?

所以为啥外星人会变成问题的一部分呢？