语言大纲是“操作系统”：我们通过这个系统来运用语言完成任务。
The language syllabus is the 'operating system' : the system we use, to do the things that we do with language.
国内经营人按危险品航空运输手册建立相关管理和操作程序，按培训大纲进行培训。
CAAC Regional Administration shall exam the dangerous goods Air Transport Manual and dangerous goods training programmes as well as the relevant documents submitted by the domestic operator.
“粘贴”和拖放操作保留大纲显示信息，但不保留可折叠区域的状态。
Paste, and drag-and-drop operations retain outlining information, but not the state of the collapsible region.
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