standard floor

例句：

1. 1. The company has a standard operating procedure for all its employees.
   该公司对所有员工都有一套标准操作程序。
2. 2.Standards are set to ensure that products meet certain quality requirements.
   标准被设定以确保产品满足一定的质量要求。
3. 3. The standards of the new building were higher than those of the old one.
   新建筑的标准比旧建筑高。