Message in Chinese (Simplified) (中文(简体))
Query 操作“<var>X</var>”不能标记为可组合，因为它返回的类型“<var>Type Name</var>”不实现 T 的 IEnumerable。
Unlocalized message
Query operation '<var>X</var>' cannot be marked composable since its return type '<var>Type Name</var>' does not implement IEnumerable of T.
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