单语范例（未经PONS编辑处理）
In addition, a module may act as a container of logically connected abstract data types, operators, and structural units of the runtime environment.
en.wikipedia.org Node.js is a runtime environment combined with libraries for common web application requirements.
en.wikipedia.org Other objects are host objects, defined not by the language but by the runtime environment.
en.wikipedia.org The runtime environment allocates threads to processors depending on usage, machine load and other factors.
en.wikipedia.org That is, the runtime environment may place original file handles in a hard-coded address range, and not provide file handle behaviour to a user-created copy at another address.
en.wikipedia.org