The caste refers to social system based on rigid distinctions of birth, rank, wealth, etc.

是指按照血统，阶级，财富等严格区分的社会制度。

youdao

From there, we start with more travel with rising wealth, etc.

FORBES: WikiLeaks Fallout is Bullish for Boeing, Airbus and United-Continental

The tax benefits, although much exaggerated by insurance salesmen, are sometimes enough to overcome the considerable overhead costs (salesmen's commissions, etc.) of passing on wealth in this fashion.

FORBES: Magazine Article

Foreign institutional investors mainly consist of mutual funds, pension funds, endowments, sovereign wealth funds, insurance companies, banks, asset management companies etc.

FORBES: The ABCs Of Investing In India