·2,447,543篇论文数据，部分数据来源于NoteExpress
以前当他的邻居大部分是全职农场主的时候，他们可以通过共享设备和人力来降低成本。
Back when most of his neighbors were full-time ranchers, they used to keep costs down by sharing equipment and manpower.
youdao
应用推荐
模块上移
模块下移
不移动