The caste refers to social system based on rigid distinctions of birth, rank, wealth, etc. 社会等级是指按照血统，阶级，财富等严格区分的社会制度。
His arguments sound convincing but they're based on delusion. 他的论据听起来似乎有理，但根本上是欺骗性的。
The monetary system of some countries used to be based on gold. 过去有些国家的货币制度是金本位制的。
Communism is based on Marxism. 共产主义是以马克思主义为基础。
This novel is based on historical facts. 这部小说是以历史事实为根据的。
A unit of fineness for rayon, nylon, and silk fibers, based on a standard mass per length of 1 gram per 9,000 meters of yarn. 丹尼尔测量纤维、尼龙或丝的光洁度的单位，每9,000米线重1克称作为丹尼尔。
Advice to investors was based on the premise that interest rates would continue to fall. 给予投资者的建议是以利率将继续下降这一点为前提的。
The theory is based on a series of wrong assumptions. 这一理论是以一系列错误的设想为依据的。
