我已经让使用者用1替代2做了个实验。的翻译：I've had users do an experiment with 1 instead of 2. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

I had allowed the user to do an experiment with an alternative.

I've had users do an experiment with 1 instead of 2.

I already let the user with 1 substitute 2 to do an experiment.

I have to use a 1 instead of 2 made a lab.

I've had users do an experiment with 1 instead of 2.