If you do not teach in a regular classroom with desks, still givetheslip to the student.
如果你授课的教室学生并没有固定的座位,还是把纸条交给他们。
2
Therefore we ought to givethe more earnest heed to the things which we have heard, lest at any time we should let them slip.
所以我们当越发郑重所听见的道理,恐怕我们随流失去。
3
But many enterprise mailbox exists in name only, the user to the enterprise mail can not get any response, the user not to give up, give up the business opportunities in this will slip away.