利益,获益 n./v.   b______

客户,当事人 n.   c______

消费者 n.   c______

买,购买 v.    p______

小路,路线 n.    p______

批发的,整批卖的 adj.   w______

操作员,接线员 n.   o______

You should know what's ______(go)on in the market before you enter.

Success in the online marketplace is never an ______(assure) outcome.

Anyone who is not ______(qualify) for his or her job should be categorized "off-staff".