pay,wage,salary 怎么区分?

pay,wage,salary 怎么区分? wage salary income pay 区别 pay salary wage 的区别 wage,salary,income,pay的区别是什么? wage和salary 关于 salary 和 wage . allotment payment wage salary 区别 payment,wage,salary有什么区别? salary和wage的区别是什么? salary和wage什么情况用复数 afford salary与afford to pay salary 英语wage,tip,salary,commission,income意思有什么区别?