Foreign developed country all have a long historyofagriculture protection, while in our country agriculture protection is always negative.
国外发达国家都有悠久的农业保护历史,而我国对农业却一直是负保护状态。
3
In the course of my research I discovered a number of manuals of farming, which I thought might make it possible to write a historyofagriculture in the region.