In fact, you can think of finding children on a per-type basis as a visitor operation that can be encapsulated in a visitor itself.

实际上，您可以将按照类型查找子节点的操作视为可封装在访问者自身中的访问者操作。

youdao

This type of arrangement would have a moral basis.

FORBES: Fact and Comment

George Gero, vice president and precious-metals strategist with RBC Capital Markets Global Futures, is among those traders who monitor the open-interest data on a daily basis for clues on the type of buying or selling that is occurring.

FORBES: Rising Gold Prices, Open Interest Reflects New Buying In July

In the past, that type of coordination happened on an ad hoc basis, an administration official said.

CNN: U.S. government agencies shape cyberwarning strategy