be used for后加什么？

The money saved could be used for more deserving causes.

省下来的`钱可以用于更有意义的事业。

These optical fibres may be used for new sorts of telephony.

这些光缆可以用于新型电话通讯系统。

The aircraft will be used for reconnaissance rather than combat.

这架飞机将用于执行侦察任务而不是战斗任务。

The money will be used for the estate's upkeep

这笔钱将用于物业维护。

Cardinal Daly has said that churches should not be used for profane or secular purposes.

戴利主教已经说过，教堂不应该用于非宗教或世俗的目的。