他培训警察及情报局人员，试图找到诚实和撒谎的线索。

He trains police and secret service members to try to figure out cues to honesty and dishonesty.

youdao

他培训警察及情报局人员，试图找到诚实和撒谎的线索。

He trains police and secret service members to try to figure out cues to honesty and dishonesty.

youdao