1、spend(主语是人) spend+时间/钱+on sth. i spent 100 yuan on the dictionary. 这本字典花了我100元。spend+时间/钱+(in)doing sth. he spends an hour doing h** homework every day. 他每天花一个小时做家庭作业。2、pay(主语是人) 固定搭配:pay+(钱)+for sth. sandy paid 10 yuan for ... 20210311
cost element h**e two types:primary element and secondary element.they are come from your chart of account which creation by those cost account they are used to determinate your cost belong to which o...