担当

The effectiveness of productive effort, especially in industry, as measured in terms of the rate of output per unit of input. It's a common topic in IELTS for work-life balance and economic efficiency.

The size or level of something, especially when compared to other things. Often used to describe projects, businesses, or natural disasters.

The system of production, distribution, and consumption of goods and services. It also refers to the financial status of a country or region.

Being opaque or lacking transparency. Figuratively, it describes a situation where the future or the truth is uncertain or unclear.

The act of conveying information, messages, or signals from one person or point to another. It is used for communication and biological signal transmission.

To make something more active, lively, or effective. It is used for communities (revitalization), economies (stimulation), and biological processes (activation).

The quality of being effective in producing a desired result; practical effectiveness.

A set of principles or rules used to determine a course of action; a guideline. Originally referred to a compass needle or a pointer on a gauge.

Specializing in a particular area, field, or function. It describes narrowing one's focus to become highly efficient or expert in one specific thing.

To add or attach something extra to an existing thing to increase its value or function.