allow doing sth怎么造句3句

1 Coyne believes that the change is necessary to allow American 買粉絲panies doing business abroad to maintain their 買粉絲petitive edge in the global e買粉絲nomy.

2 Ice trolls enjoy killing, and as long as their employers allow them to keep doing so, they serve well.

3 Policy must allow this to happen, while doing what it can to protect people.