Five or six years ago, we were meteorologically tricked into thinking that we should get used to Mediterranean temperatures, so the past two summers came as a bit of a nasty shock.

五六年以前，气象专家们弄得我们相信以后我们就得适应地中海式的气温，所以过去的两个夏天令我们非常震惊。

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These waves travel at the speed of sound, but when a jet travels at Mach 1 and above these waves merge into one single shock wave as they cannot get out of the way of each other quickly enough.

CNN: Bang goes the sonic boom

At first they shock the fashion world, but their ideas increasingly then get sucked into the mainstream.

ECONOMIST: The changing fabric of Italian fashion | The