“费率”造句
电话每分钟36便士（优惠
费率）和48便士（高峰
费率）。
Calls cost 36p (cheap rate) and 48p (peak rate) per minute.
很多优惠
费率都带有限制条件。
Many reduced fares are hedged around with restrictions.
收
费率是前3公里10元,之后再加一公里收1.6元.
The rate is 10 yuan for the first three kms and 1.6 yuan for each additional km.