Systemwide air traffic is down 22% since 2000, and controller head count is slightly higher than it was that year.

自2000年起，航空交通全系统缩减了22%，控制员人数却要比那一年稍微高一些。

youdao

Systemwide air traffic is down 22% since 2000, and controller head count is slightly higher than it was that year.

自2000年起，航空交通全系统缩减了22%，控制员人数却要比那一年稍微高一些。

youdao