There was much discussion about the reasons for the failure.
就失敗的`原因進行了大量的討論。
She moves with the natural grace of a ballerina.
她的動作具有芭蕾舞演員自然優雅的丰姿。
There are still a few residual problems with the computer program.
電腦程式還有一些殘留問題。
It was a difficult situation, when you think about it.
仔細想來，當時處境是很困難的。
The population is increasing at about 6% per year.
人口以每年約6%的速度增加。