Finn adds " if you can" rather than 'if possible' to his special request so that he sounds polite when asking for an urgent appointment - he wants to see the dentist at very short notice.

Finn在提出了特殊要求之后，加上了If you can(假如你可以的话)而不是if possible（尽可能），这样的话，他这种紧急情况下的紧急预约听起来就会显得很有礼——他要医生要得很急。

Finn adds " if you can" rather than 'if possible' to his special request so that he sounds polite when asking for an urgent appointment - he wants to see the dentist at very short notice.

Finn在提出了特殊要求之后，加上了If you can(假如你可以的话)而不是if possible（尽可能），这样的话，他这种紧急情况下的紧急预约听起来就会显得很有礼——他要医生要得很急。