Salary
通常指按月或年支付的固定收入，多用于白领或专业岗位。例如：She earns a high salary as a software engineer.
Pay
通用词，可指任何形式的报酬。口语中常代替 wage 或 salary。例如：His weekly pay is deposited every Friday.
Earnings
强调总收入，常用于复数形式。可用于工资、投资回报等。例如：His earnings have doubled since he got promoted.
Remuneration
较正式用语，泛指因工作或服务获得的报酬。例如：The contract includes full remuneration and benefits.
Compensation
除基本工资外，还可能包含奖金、股票、福利等整体回报。例如：Total compensation includes health insurance and bonuses.
Income
广义词，指所有来源的收入，包括工资、租金、投资等。例如：His main source of income is his teaching job.