对类类型的对象来说，有些初始化仅能用直接初始化完成。

For objects of a class type, there are initializations that can be done only using direct-initialization.

youdao

当初始化类类型对象时，复制初始化和直接初始化之间的差别是很微妙的。

There are subtle differences between copy - and direct-initialization when initializing objects of a class type.

youdao

插件的使用并不是直接初始化插件类的一个对象，而是使用该组件的“plugins”配置选项将插件附加到这个组件上。

Rather than directly instantiating an object of a plug-in class, plug-ins are attached to a component using the "plugins" configuration option for that component.

youdao