销售额是指纳税人销售货物、提供应税劳务或服务，从购买或接受应税劳务方或服务方收取的全部价款和价外费用，但是不包括向购买方收取的销项税额以及代为收取的政府性基金或者行政事业性收费。
Sales volume refers to the total price and additional fees collected by taxpayers from the purchaser or recipient of taxable services or labor services when the taxpayer sells goods or provides taxable labor or services, but does not include the output tax collected from the purchaser and the government funds or administrative fees collected on behalf of the purchaser.
劳动合同，又称劳动契约、劳动协议。劳动合同是调整劳动关系的基本法律形式，也是确立劳动者与用人单位劳动关系的基本前提，在劳动法中占据核心的地位。劳动合同是雇主与劳工订立的劳务提供合约，是商业合约的一种，内容通常包括工资、工作时间、休假、休息时间、福利、工作内容等。
Labor contract, also known as labor contract and labor agreement. The labor contract is the basic legal form for adjusting labor relations and the basic premise for establishing the labor relationship between workers and employers. It occupies a core position in labor law. A labor contract is a labor service contract entered into between an employer and a worker. It is a type of commercial contract. The content usually includes wages, working hours, vacations, rest times, benefits, work content, etc.
上司，汉语词汇。拼音：shàng sī，汉时对三公的称呼；上级长官。见《晋书·华谭传》：“又在郡政严，而与上司多忤。”
Boss, Chinese vocabulary. Pinyin: shàng sī, the name given to Sangong in the Han Dynasty; superior officer. See “Jin Shu·Hua Tan Biography”: “He was also strict in the county administration, and he had many disobediences with his superiors.”
工资单又名工资结算单，是公司发给员工的一种凭证，该凭证上列有员工的工资、奖金、津贴、缺勤扣款等信息。工资单基本上每月发放一次。有些情况下工资单一式三份，一份发放给员工，一份用作政府监管部门核查，另一份公司自己留存。
Payroll, also known as salary settlement slip, is a voucher issued by the company to employees. The voucher lists the employee’s salary, bonus, allowance, absence deduction and other information. Payslips are basically issued once a month. In some cases, the payslip is made in triplicate, with one copy issued to the employee, one used for verification by government regulators, and the other kept by the company itself.
打印，通常指把电脑或其他电子设备中的文字或图片等可见数据，通过打印机等输出在纸张等记录物上。
扫描，指通过电子束、无线电波等的左右移动在屏幕上显示出画面或图形。
Printing usually refers to outputting visible data such as text or pictures in a computer or other electronic device on a record such as paper through a printer.
Scanning refers to displaying pictures or graphics on the screen through the left and right movement of electron beams, radio waves, etc.