在发展中国家，许多农村居民和传统森林居民在管理昆虫以生产粮食方面具有丰富的知识。

In developing countries many rural people and traditional forest dwellers have remarkable knowledge about managing insect populations to produce food.

youdao

在极度贫困的国家更是如此，那里的农村居民在每个生长季节都要砍伐和烧毁森林，来为农业腾出空间。

This is especially so in desperately poor countries, where residents in the countryside slash and burn forests each growing season to clear space for farming.

youdao

你会听到越来越多关于国家之间、农村和城市之间移民的事。

You will hear more and more about migration between countries, and between rural areas and cities.

youdao