In order to的用法 求助~~~?

句的編排錯了
in order to只可以放在句的最先作為申述理由的前設片語，或是放在事情之後接著寫出理由。

In order to release pressure from work, many people do exercise (go exercising)雖然"文法規則上"無可非議，但英語人甚少這樣講"去運動"，另外keep A away from B意思是"使A遠離B"/"把A跟B隔離"，你這樣寫=把壓力遠離工作，而不是消除工作的壓力。

Many people go exercising in order to release(reduce) pressure from work.

許多人為了紓解工作上的壓力而去運動
In order to relieve the pressure from work, many people go exercising.

補充回應:
go exercising 並沒什麼不對，只是和 do exercise 意思不同
= go to gym to work out 或是 go out jogging

1.) many 確實比 many people 好。
2.) Go exercising 一般人日常較少使用，因為習慣上會明確說出go jogging, go swimming 或 go cycling。但未明確指出那一項運動，使用 go exercising 也很常見，甚至fitness雜誌，或書籍也都可見。

a.) Don't go exercising on your own.
http://abcnews.go.com/Health/HeartDiseaseLivingWith/story?id=4222386

b.) I feel guilty asking my wife for a break to go exercising in the middle of the day,...
http://faithandfitness.net/node/2790

c.) "I'm shocked because I go exercising on a daily basis freely, thinking that I am safe," another jogger told WESH 2 News

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Many people in order to keep their pressure away from work,they go exercising. (verbose)
To relax, many exercise. (better)
To relax work stress, many exercise. (OK)

please do not use "many people" or "go exercising".

"many" is cleaner in this context and makes your writing look more "sophisticated".
"go exercising" is, again, verbose, unless "go" can be used to suggest certain places where the exercise may be done. Without that possibility, "go exercising" simply is too childish.

For example, in the following context:

Father: come let's have dinner together.
Son: Can we do dinner tomorrow? I like to go exercising.

In this scenario, the "go" in "go exercising" suggests that the activity needs to be done in another place.
And the sentence of the original question has no such implication. That is why "exercise" alone is enough.