But there are also many tricks hiding technical elements, starting with the countless air conditioning ducts, unsightly but oh so essential in Riyadh where differences in temperature are extreme.

但是仍然有很多技巧隐藏着技术性的元素，以无数的空调管道为例，虽然不雅观，但是在利雅得，这个不同极端天气存在的地方，却显得极为必要。

youdao