My life seemed aimless.

　　我的生活似乎沒有目標。

　　Peters had been adrift and aimless

　　彼得斯曾經漫無目的地四處漂泊。

　　She said that her life seemed aimless after her children left home.

　　她說她的孩子們離開家后，她的生活好像沒有了目標。

　　Translation activities should be social demand oriented to avoid being aimless.

　　翻譯教學應該以社會需求為導向，這樣才不會無的放矢。

　　Therefore aimless searching is avoided and the algorithm is optimized.

　　從而避免了盲目搜索，優化了算法。