Now waste from daily life in the city of Shanghai is required to be separated into four different groups.

如今，上海的日常生活垃圾被要求分为四类。

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People in Shanghai know that garbage is sorted into four categories (类别): recyclable, harmful, dry and wet waste.

上海的居民知道垃圾分为四类：可回收垃圾、有害垃圾、干垃圾和湿垃圾。

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Shanghai has called on all the people living in this city to sort their rubbish into four groups: wet, recyclable, harmful and dry.

上海呼吁所有居住在这座城市的人将垃圾分为四类：湿垃圾、可回收垃圾、有害垃圾和干垃圾。

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It also provides lifelong learning support to four million Shanghai residents and to an equal number of migrant workers.

UNESCO: MEDIA SERVICES

He came to Shanghai four years ago and started a gallery called ShanghArt.

CNN: ASIANOW - TIME Asia | Visions of China: Shanghai

Driven by many of the same instincts as Ms. Jiang, Alison Yeung founded her luxury shoe line, Mary Ching, in Shanghai four years ago.

WSJ: The New Cachet of 'Made In China'