博物馆为老年人提供优惠票价。

The museum offers ___concession to senior citizens.

只有学生和养老金领取者有资格享受公共交通优惠。

Only students and pensioners are eligible for a ___concession on public transport.

失业人员需出示有效身份证件才能享受优惠票价。

A valid ID is required to claim the ___concession fare for unemployed individuals.