Money /'mʌni/ is something used to buy goods and services.
Teachers get salary for their work from their employers. This they have to spend on things like living costs.
Monetary symbols represent money in written texts.
English-speaking countries tend to use dollars; the United States, Australia, Canada, New Zealand. The United Kingdom used the Pound Sterling, whilst the Republic of Ireland uses the Euro.
In English, there are many slang words for money and many money-related idioms.