average rate的用法和樣例：
例句
- The premium rate is fix on the basis of the past statistical loss figures.
保險費率是根據以往貨物滅失和破損的統計數字來制定的。 - Average house prices have broken sharply downward.
馬匹的平均價格急轉直下。 - "A sweet temper" is a figurative expression, but "sweet coffee" is not.
"甜蜜的性情"是個比喻的說法，而"甜咖啡"則不是。 - The watch would show a fair and square average.
這隻表顯示出無可非議的平均速度。 - The average speed of the trains in China is increasing.
中國火車的平均速度一直在提高。
