這是迄今為止被證明是最有效的方法的翻译：To date, this is proven to be the most effective way 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 is by far proved to be the most effective method

To date, this is proven to be the most effective way

This is by the proof is the most effective method until now

It is so far been HSBC is the most effective way

To date, this is proven to be the most effective way