主义systematic doctrine or theory on the objective world, society, or academic issues; system
主流trunk stream; essential/main aspect
主管be responsible for; person in charge
和join in the singing; echo what others say
祖先ancestry; biologically ancestral form
纵横in length and breadth; freely
装卸load and unload; assemble and disassemble
资本capital; what is capitalized on
走廊corridor; narrow strip of land linking two areas
走漏divulge; smuggle and evade taxes