本协议自签字之日起生效。的翻译：Take effect from the date of signature of this agreement. 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

This Agreement shall take effect from the date of signature.

Take effect from the date of signature of this agreement.

This agreement from signs the date activation.

This Agreement shall enter into force on the date of signature.

Take effect from the date of signature of this agreement.