它可能包括发音或语调模式上的小错误或小困难，这些小错误并不影响整体的可理解性。
It may include minor lapses, or minor difficulties with pronunciation or intonation patterns, which do not affect overall intelligibility.
不同的语句语调模式也不一样。
Different types of sentences have different intonation patterns.
这类问题的答案也有独特的语调模式。
The answers to this type of questions have their own pattern.
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