2．使用前，应关闭电源开关。的翻译：2. Before use, you should turn off the power switch. 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

2. Before use, turn off the power switch.

2. Before use, you should turn off the power switch.

Before 2. uses, should close the power switch.

2) use the former, should be shut off power switch.

2. Before use, you should turn off the power switch.