If you cannot go yourself, please find someone to substitute you.是什么意思？

If you cannot go yourself, please find someone to substitute you.

你如果不能亲自去, 请找人代替你。

if

conj. 如果，倘若，即使，〈口〉是否，假设；n. 条件，设想；

例句
She was old enough to absent herself from the lunch table if she chose...
她长大了，可以自己做主不来吃午餐了。

you

pron. 你，你们，您们，各位，大家；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

cannot

=can not，未可，不能，不可；

例句
...parents who feel they cannot cope or might abuse their children.
认为自己应付不来或可能会虐待孩子的父母

go

vi. 走，离开，去做，进

例句
I would love to go abroad this year, perhaps to the South of France.
我今年很想出国，可能是去法国南部。

yourself

pron. 你自己，（用以加强语气）亲自，你的正常或健康的情况；

例句
You grew up in an agnostic household and have never been able to bring yourself to believe in God.
你在一个信奉不可知论的家庭里长大，一直都无法信仰上帝。

please

int. 请；vt.& vi. 使高兴，使满意，讨人喜欢，讨好；

例句
She adored her parents and would do anything to please them.
她很爱自己的父母，为让他们高兴愿意做任何事。

find

v. 发现，找到，查明，发觉；n. 发现物，被发现的人；

例句
There are many people who still find the act of abortion abhorrent.
仍有很多人对堕胎行为表示厌恶。

someone

pron. 某人，有人；n. 某个人；

例句
This was clearly a failure by someone who thought he was above failure...
这显然是认为自己根本不会失败的人所遭遇的一次失败。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

substitute

vt.& vi. 代替，替换，代用；n. 代替者，替补（运动员），替代物，[语法学]代用词；vi. 用…替代；

例句
...a soap substitute such as an aqueous cream, available from chemists.
药店出售的水质乳液之类的香皂替代品