Most existing data centres rely on air cooling.

大多数现有的数据中心依赖空。

So air cooling has been the de facto standard.

空已成为事实上的标准。

Although, appreciating the cooling air from the pesticides is some legendary glass-half-full thinking.

尽管如此，认为虫剂带来的凉风令人愉悦的想法，可谓是典型的“半杯水”乐。

Google argues, water cooling reduces energy use by about 10% compared to air cooling, but the perception problem is real.

谷歌辩称，与风相比，水可将能耗降低约10%，但这种认知问题确实存在。