✅ 同义词
🗣️ 情景例句
She hasn't been employed for six months now.
她已经失业半年了。
Just to be on the safe side.
为了安全起见。
It seems she was in class on Friday afternoon, but no one has seen her since.
好象她星期五还在教室，但从那以后没人看见过她。