I'll see you in the new year.

　　新的一年里再見。

　　The operation could prolong his life by two or three years.

　　這次手術可使他多活兩三年。

　　It's been one of those days!

　　這一天真倒霉！

　　I would imagine the job will take about two days.

　　我猜想這工作大概需要兩天左右的時間吧。

　　The system was introduced on a trial basis for one month.

　　這個制度已引進試行一個月。

　　The system has been in operation for six months.

　　這個系統(tǒng)已經運行六個月了。