The plan is heard designed so well that we don't hane to make any changes.
问题描述:
The plan is heard designed so well that we don't hane to make any changes.
为什么用 designed 而不用to designed
不是be heard to do sth
答
因为这里的design是被动语态,被设计
所以应该是be heard (to be) done,
to be省略掉了.