wealth W3 / welθ / 名词
1 [不可数名词] a large amount of money, property etc that a person or country owns :
The country’s wealth comes from its oil.
the distribution of wealth (= the way wealth is divided among the people of a country or society )
The purpose of industry is to create wealth .
2 a wealth of something a lot of something useful or good :
There is a wealth of information available about pregnancy and birth.