一則英文翻譯改正（希望幫我改得更通順及文法校正）

Question

Before To receive this training, I have been work on the business experience of more than three years and the purchase experience of more than a year,
I learned a lot of precious experiences in those , I think that it can let me have better development in this realm hereafter.
I can come to receive training with you together in the same time, it is so luck to me, I have never ever thought to be a police man, But I just wanted to join the official test, Because it is a stable work,
At the right moment I run into this police\'s especially testing and attended the cram school, Work hard and good lucky let me pass examination,
I also hope that we can finishes the training safety, Stepping on the police\'s road soon, becoming a good police, thanking everyone.
原文如下：在來受訓之前，我的工作經歷有三年多的業務經驗和一年多的採購經驗，在這之中學習到了很多寶貴的經驗，我想能讓我以後在這個領域能有更好的發展，這次能來和大家一起受訓，說起來是滿幸運，
以前也沒想過自己會來當警察，因為想考公務人員，有一份穩定的工作，
正好遇上這次的警察特考，就參加了補習班，努力加上好運氣就讓我考上了，
也希望能和大家一起平安的結訓，早日踏上警察的路程，成為一位好警察，謝謝大家。

Answer 1

Before receiving this training, I have the working experience of business for more than three years and the experience of purchasing for more than a year.
I learnt a lot of precious experiences from them, I think that it can let me have a better development in this realm hereafter.
It is lucky for me, that I can come to receive this training with everyone together, I have never ever thought that I would be a police man, but I just want to join the official test, and have a stable job.
At the right moment I run into this polices' exam, so I attended the cram school. Hard work and good luck let me pass exam.
I also hope that we can finish the training safely, step on the polices' job as soon as possible, and become a good police. Thank you everyone.