for the first time和the first time的区别

　　For the first time in years, she felt in command of her life.

　　多少年来第一次，她觉得生活掌握在自己的手里。

　　In the distance we spied the Pacific for the first time.

　　在远处，我们突然第一次看到了太平洋。

　　It was the first time they had made love.

　　那是他们第一次发生性关系。

　　It was the first time I had set foot on American soil.

　　那是我第一次踏足美洲大地。