Day 923 
--- Proverbs ---
※ 原句 ※
The last drop makes the cup run over.
最后一滴导致整杯洋溢。/一根草压死骆驼。
(超过限度的极微小的事情会酿成重大的后果)
--- Oxford dictionary ---average adj.
①[only before noun] calculated by adding several amounts together, finding a total, and dividing the total by the number of amounts
平均的
an average rate/ cost/ price
平均费率/成本/价格
Average earnings are around £20 000 per annum.
年均收入约为2万英镑。
at an average speed of 100 miles per hour
以平均每小时100英里的速度
②typical or normal
典型的;正常的;
40 hours is a fairly average working week for most people.
对大多数人来说,一周工作40小时是相当正常的。
children of above / below average intelligence
高于/低于一般智力的儿童
£20 for dinner is about average.
花20英镑吃正餐算是价格一般。