This time during the collaboration between one of my Chinese colleagues and me, we talked about the two cities again because both of us have been working in the two cities.

这次一起合作的同事中，有一位与我一样在两地都工作过，也就对两座城市都有自己的看法。

youdao

Almost two-thirds of Chinese cities suffered from air pollution last year and had inadequate sewage treatment, state media reported China's top environmental watchdog as saying on Tuesday.

中国官方媒体周二报道，中国环境部门指出中国将近三分之二的城市去年遭受空气污染及污水处理不当的影响。

youdao

BEIJING Tensions were running high on Saturday in at least two Chinese cities as opposition grew against planned industrial facilities, the latest examples of growing public environmental concerns over large industrial projects that officials say are needed for economic growth.

WSJ: Hundreds Protest Chinese Industrial Facilities

BEIJING Tension is bubbling in two western Chinese cities as opposition grows against planned industrial facilities, the latest examples of growing public environmental concern threatening to derail projects that officials say are needed for economic growth.

WSJ: Chinese Protest Industrial Facilities