什么时候应该在Objective-C方法名称中使用“和”？

The Apple style guides for naming methods say both "Don’t use “and” to link keywords that are attributes of the receiver." and "If the method describes two separate actions, use “and” to link them." In many cases, neither of these conditions apply. For example, let's say I have a function to do some work and call a selector on a target when it is done. Should this be namedThe Apple style guides for naming methods say b