Guangzhou , shenzhen and hangzhou are toying with congestion charges .

广州、深圳和杭州一直在考虑收取拥堵费。

All the silk comes from hangzhou and it is pure .

所有的丝织品都是从杭州来的，而且都是真丝的。

Officials at hangzhou zhongce could not be reached for comment yesterday .

记者昨日未能联系到杭州中策的管理人员置评。

The canal connects beijing with hangzhou , 800 miles to the south .

大运河连接北京和南方的杭州，两地相距800英里。

Nanjing and hangzhou in east-central china are moving to require cleaner gas and diesel .

中国东部的中心城市南京和杭州正在要求使用更清洁的汽油和柴油。