First, a nation has to have a good operating system: laws, regulations and property rights.
第一，一个国家必须具备一个好的操作系统：法律、规章和产权。
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Operating the lift must obey the regulations of this manual.
使用升降机必须遵照本说明书的规定进行。
应用推荐
模块上移
模块下移
不移动