stage; section; phase; period; CL:個|个[ge4]

(social) class; CL:個|个[ge4]

social class

flight of steps; (fig.) stepping stone; way to reach the goal of

the factorial of a number, e.g. 5! = 5.4.3.2.1 = 120

order; rank; level

terrace (geography)

specific to a particular stage (of a project etc); interim (policy etc); occurring in stages; phased

lecture theater

volumetric pricing; tiered pricing; differential pricing

social composition; social status (in Marxist theory, esp. using during the Cultural Revolution)

class struggle