rule of thumb造句
He often works by
rule of thumb.
他通常凭经验办事.
As a
rule of thumb, a cup of filter coffee contains about 80mg of caffeine.
凭经验估计，一杯过滤咖啡约含80毫克咖啡因。
A good
rule of thumb is that a broker must generate sales of ten times his salary if his employer is to make a profit.
根据经验来看，如果雇主要获得利润，那么其代理商必须卖出相当于其工资10倍的销售额。