8. 这个项目的花费从1990年起开始急剧增长。
The cost of the project has increased dramatically since 1990.
9. 他目前失业了，因此我不知道他怎么买得起新车的。
He is out of work at present, so I don't know how he can afford a new car.
10. 我不能为我所做的向你道歉。
I have to apologize to you for what I did.
