合同

Activities used to advertise a product or service to increase sales, often involving price reductions.

A formal, legally binding agreement between two or more parties. Essential for topics involving work, renting, or purchasing services.

To promise or ensure that something will happen or be done. It is used to provide assurance of quality, safety, or commitment.

To pay for something in advance, before it is received or used. This is common in financial and service contexts in IELTS.

A formal letter written by someone to testify to another person's skills, character, or performance, usually for job or school applications.

To work together with others to achieve a common goal; to coordinate or cooperate in a synchronized way.

A formal meeting for discussion or decision-making.

The process of making important decisions, especially in a professional, political, or strategic context.

To reply or respond to a message, letter, or inquiry. Essential for business correspondence and IELTS letter writing.

To voluntarily leave a job or office; to give up one's position.