诺特健康的骗术:“此协议一式两份，甲乙双方各一份”用英语怎么翻译

合同样本是这么翻译的
This agreement is in duplicate. Part A and Part B each have one copy.
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例:
停薪留职协议

*****有限公司（以下简称甲方）与本公司职员***（以下简称乙方）就乙方自费赴英国留学一事达成以下协议：

甲方责任义务：
1. 停薪留职期限为****，自****年至****年；
2. 在乙方留学期间，甲方为乙方保留职位，停发乙方月薪，按期为乙方缴纳养老保险金；
3. 乙方毕业回国，甲方为其恢复原有职位。

乙方责任义务：
1. 在留学期间，费用自理；
2. 乙方毕业后应按本协议回甲方工作。如违反协议，甲方将不再为乙方保留职位及待遇。

本协议一式两份，甲、乙双方各执一份。

协议方：
甲方： 乙方：
*****有限公司****
****年**月**日

Agreement
(Translation)

***Co., Ltd. (Part A) reached an agreement with the employee ***(Part B) on****'s study in the UK by his self-support.

The duty of Part A:
1. The deadline of part B’s leaving his post is *** year and *** months, from *** to ***;
2. Party A will keep part B’s post and pay old-age pension for part B;
3. Party A will resume Part B’s post when Part B returns to China after graduation.

The duty of Part B:
1. Part B pays his own total fees during his study in the UK;
2. After graduation, part B should go back to work at part A according to this agreement. If part B disobeys this agreement, part A will not keep part B’s post and welfare.

This agreement is in duplicate. Part A and Part B each have one copy.

Part a:
*****Co., Ltd.

Part b:
*****
00/00/0000

在贸易中是 in duplicate in triplicat in quadruplicate
分别是一式2份 3份 4份

Each of the parties shall retain one original.

这句话在英文合同中比较常见！

The Agreement is written in two copies, one for A, and the other for B.

This agreement has two copies, both side Jia & Yi will have one.

This agreement is done in two originals, the a and B sides of A