I am trying to create a predicate, but get an error.I get error 'NSInvalidArgumentException', reason: 'Unable to parse the format string "title contains[cd] @%"' I tried like this:I am trying to create a predicate, but get an e
阅读背景：
'NSInvalidArgumentException'，原因：'无法解析格式字符串'标题包含[cd] @％“'错误
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