[xiàn é]
norm; limit; quota
currency restrictions
货币限额
ceiling
最高限额
floor
最低限额
above [below] norm
在限额以上[下]
quota for...
给...的限额
reach the full quota
达到限额
allot a norm to ...
把限额分配给 ...
The quota of immigrants for this year has already been filled.
本年度的移民限额已满。