in sharp contrast; with black and white sharply contrasted ? 兩種體制比較起來(lái)，～，不容混淆。When the two systems are compared with each other,they stand in sharp contrast and allow of no confusion.
黑白分明hēi bái fēn mínɡ
黑白兩種顏色對(duì)比鮮明。比喻對(duì)是非和好壞分得很清楚。in sharp contrast, with black and white sharply contrasted