高山: high mountain, alpine...
断断续续: intermittent, off and on, discontinuous, stop-go, stammering, disjointed, inarticulate...
变革: to transform, to change...
结婚: to marry, to get married...
质朴: simple, plain, unadorned, unaffected, unsophisticated, rustic, earthy...
个体: individual...
商务: commercial affairs, commercial, commerce, business...
自从: since (a time), ever since...
更换: to replace (a worn-out tire etc), to change (one's address etc)...
清真寺: mosque...
