In order to make the outer world me, I would think Ihave to self-purify myself.

问：为了不让外在世界影响我，我会认为我不得不清理我自己。

youdao

Lester: Yes. Practicing serving the world will purify you.

莱斯特：是的。实践服务于这个世界将会让你变得纯净。

youdao

Shanghai World Expo used this technology to biologically purify the water body in the park and has made a good landscape.

上海世博园区就采用了此技术手段完成了水体的生物净化，并取得了很好的景观效果。

youdao

Another local startup is Epiphany Solar Water Systems, who invented the Epiphany E3H, a fully sustainable and cost effective invention that can purify water anywhere in the world.

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