蔚兰的天空并不永远保证晴朗的天气。

Blue skies are not always a guarantee of fine weather.

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本书把我们带到了梦境般的王国：白色的沙滩，蔚兰的水面和巍娥的群山。

This volume brings to mind visions of great locations:white sandy beaches and azure waters as well as spectacular mountain ranges provide the backdrop for these dream getaways.

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蔚兰的天空不只出现在在国庆期间。 与北京多年的历史数据相比，今年的北京，天空污染程度确实有了很大的改观。

The results show up not only in recent pitch-perfect October days, but in the data that for years have presented a bleak picture of pollution here.

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