雇主可要求书面证明以证实这位亲属确实病了。
An employer can demand written certification that the relative is really ill.
不佳的组件和完全无法书面证明的依赖。
Poor componentization and completely undocumented dependencies.
承包商应有类似工程等项目的施工经验(书面证明)。
The contractor shall have a construction experience of similar engineering projects (written certificate).
应用推荐