state, social class, degree, people, gradation, echelon, persuasion, position, order, class, remove, social status, notch, parity, social rank, sort, step, condition, rank, social station

flight of steps, (fig.) a means of advancement, stepping stone

一个社会中具有某种共同特征（地位、身份、财产等）的社会集团

文化品德方面的修养

textbook

successor