Yet this technology remains unproved.

而这一技术还没有得到验证。

So for more than 30 years, the runner's high remained an unproved hypothesis.

所以30多年来，跑步者兴奋一直作为一项未经证明的假说。

But its ability to help Google expand in the mobile-ad market remains unproved.

但Android能否帮助谷歌进军手机广告市场仍未可知。

Many home remedies for burns are unproved, but honey seems to soothe small burns.

很多治疗烧伤的 家庭 用药还未被证实，但是蜂蜜似乎可以缓解小的烧伤。

The consumer goods are in great abundance and customer service is also unproved a lot.

商品种类极大丰富，服务理念也得到了一定的提升。