主流
?main stream;main current
?general(or main)trend;essential or main aspect
和平、合作、發(fā)展已成為當今時代的～。Peace,cooperation and development are the general trend of our times./分清～和支流distinguish the principal and secondary aspects/長江的～和支流mainstream and tributaries of the Yangtze River/共和黨～派mainstream Republican/～派mainstream