hou516

1. 只有得到教师的许可学生才可以进入这个房间。
the students can enter the classroom only if get the teacher's allows
2. 座椅安全带只有调节好才能起作用。
the seat belt can work only if it adjusted well
3. 我们双方只有开诚布公来谈才能达成协议。
we can't agreement only if we honest to others