“赢也爱你吗，输也爱你，不拼不爱你”，这是陕西球迷刻在骨子里的西北狼精神！
model can sometimes generate text that is not coherent or fluent,
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`@receiver isNil ifTrue: `@nilBlock -> `@receiver ifNil: `@nilBlockIn fact, both versions work—but they apply different filters to the target node. Try to remember which one.
这种方法实现简单，但需要在每个 iOS 调用点手动处理类型转换。