be sure 和 make sure 的区别意思上区别

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be sure 和 make sure 的区别意思上区别
be sure 和 make sure 的区别
意思上区别

be sure 和 make sure 的区别意思上区别
be sure
确信,肯定
I can't be sure.
我不能肯定.
make sure查明; 设法确保,确定
You must make sure of the time and place.
你必须把时间和地点弄清楚.
Make sure at least two people from the marketing team can attend.
要确定销售部门至少要有两个人来参加.

make sure 一般用在句首,前面美有主语,表确定,证实;而be sure 前有主语,一般为sb. be sure to do sth./of sth./that