词汇	profit idea
释义	profit idea 利润观念
随便看	euclidean group of motions Euclidean groups euclidean integral domain Euclidean Jordan algebra euclidean length of vector Euclidean measure Euclidean method Euclidean methodof construction euclidean metric euclidean minimum spanning tree euclidean momentum Euclidean motion Euclidean norm euclidean n space Euclidean objectivity Euclidean plane Euclidean planes Euclidean polyhedron Euclidean postulate Euclidean reconstruction Euclidean ring euclideans Euclidean simplex euclidean steiner tree Euclidean straight line