Ben onun ne zaman geleceğini kesin olarak bilmiyorum.
- I don't know for certain when he will come.
Tom nereye gitmesi gerektiğini kesin olarak bilmiyordu.
- Tom didn't know for certain where he should go.
For certain.
... But I think there are some certain key things ...
... >>Doctorow: So, it makes a certain amount of sense to me. I think you're describing ...