The process of buying and selling goods and services is called trade., The exchange of goods and services with money is called the barter system., The money paid to buy an article is known as the selling price., Pocket-friendly buying means shopping for products without keeping a check on the price., Money has a store of value.,

Knowledge Knockout

인쇄
퍼가기

순위표

플래시 카드(은)는 개방형 템플릿입니다. 순위표에 올라가는 점수를 산출하지 않습니다.

비주얼 스타일

옵션

템플릿 전환하기

자동 저장된 게임을 복구할까요?