Tom ve Mary hangisini satın alacakları konusunda anlaşamadılar.
- Tom and Mary couldn't agree on which one to buy.
Biz onların hangi trenle geleceklerini bilmiyorduk.
- We didn't know on which train they'd be coming.
... which is the condition caused by a benign tumor ...
... the company will die, which can be quite stressful. ...