All rules must be followed unless specifically waived by Mom or Dad beforehand.

所有规则必须遵守，除非事前先得到父母的特许。

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Unless you observed the traffic rules, the accident would occur in time.

如果你不遵守交通规则，交通事故迟早就会发生。

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Unless you observed the traffic rules, the accident would occur in time.

如果你不遵守交通规则，交通事故迟早就会发生。

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