Cách sử dụng
An oligarch is a very wealthy and powerful person who often has a lot of influence in politics or business. The term is commonly used to describe individuals who have a lot of wealth and power in societies where there is a concentration of wealth and power in the hands of a few people. It is also used to describe groups of people who control a particular industry or area of business, often through their wealth and connections. The word "oligarch" is used mainly in a negative context, as it implies that these individuals or groups are using their wealth and influence for their own benefit, rather than for the good of society as a whole.