[译] 如果病人无力支付，医生会免收诊费。
[误] Doctors will not receive fares for services if patients are not able to pay.

[正] Doctors will not receive fees for services if patients are not able to pay.
[注] fee多指“学费”、“会费”、“诊费”、“服务费”、“入场费”和“税”等，又如：The admission fee is 2 dollars.门票为两美元。fare主要指“车费”、“船费”等，如：Bus and taxi fares will be raised next year.明年公共汽车费和出租车费要涨价。/What is the fare to New York and back?往返纽约车费是多少？