Birdwatching groups in China mostly avoid campaigning.

中国的观鸟团体大多不太参加各种宣传活动。

Smith said birdwatching by sound " opens up a whole new world" .

史密斯说，通过声音观鸟“开辟了一个全新的世界”。

I am going birdwatching at the market.

我要去市场观鸟。

Violence stopped birdwatching for years in some places, where the activity was an important source of income for local communities, said Vicente Rodriguez.

维森特·罗德里格兹说，在一些地方，暴力行为使观鸟活动停止了多年，而观鸟活动是当地社区的重要收入来源。

Birdwatching as a pastime has emerged only in the past two decades, helped by rising incomes that have allowed people to buy spotting scopes, binoculars and cameras.

观鸟作为一种消遣方式在近二十年才出现，这得益于人们收入的增加，人们可以购买瞄准镜、双筒望远镜和照相机。