某物对于某人来说是有用的，用英语怎么表达

Question

多谢

Answer 1

be useful for sb. to do sth.

Answer 2

something is useful for somebody
~~~~~~~~~~~~~~~~希望对你有所帮助，望采纳~~~~~~~~~~~~~~~~~~

Answer 3

Something be useful for someone/work for
"He was right. He needed new answers, and so did I. My parents' advice may have worked for people born before 1945, but it may be disastrous for those of us born into a rapidly changing world."
他是对的,他的确需要新的答案,我也是、我父母的忠告也许对1945年出生的人来说是有用的,但对出生于当今这个迅速变化的时代的人来说则可能已经派不上用场了。