答应我，下一次你们邀请我来演讲的时，我不需要再重复我今天说过的话。
Promise me that the next time you invite me to talk to you I will not have to repeat my speech of today.
我已经答应参加他的生日聚会，不得不婉谢你的邀请。
Having been asked to his birthday party, I cannot help declining your invitation.
我已经答应参加他的生日聚会，不得不婉谢你的邀请。
Having been asked to his birthday party, I cannot help declining your invitation.
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