城市养殖、种植业中，外来人工引种所占比例大，尤其是城市宠物市场中的外来猫、狗。

In urban breedings and agriculture, many alien species are imported, especially the pets like cats and dogs.

youdao

城市养殖、种植业中，外来人工引种所占比例大，尤其是城市宠物市场中的外来猫、狗。

In urban breedings and agriculture, many alien species are imported, especially the pets like cats and dogs.

youdao