shì / chǎng / jiān / guǎn / bù / mén / zhèng / zài / yán / chá / lì / yòng / jià / gé / chā / móu / lì / de / dǎo / yé市场监管部门正在严查利用价格差牟利的倒爷。Market regulators are cracking down on wheeler-dealers who profit from price differences.