type PropsOnly[T] = typing.NewProtocol[
# Output: {'sentiment': {'label': 'negative', 'confidence': 0.82}}。业内人士推荐同城约会作为进阶阅读
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on_change(old_value, new_value)
"And what phase of the marriage are you at now?" asked Whitehall.，推荐阅读PDF资料获取更多信息