These appear brightly coloured and attractive on the screen, whereas less profitable options are made to look manky, a slang word meaning dirty and unattractive.

利润高的在屏幕上显得色彩鲜艳、有吸，利润低的看起来很脏，manky是一个俚语，意思是肮脏和没有吸。

Something which is profitable makes a profit, or is likely to make money. Manky is slang for dirty and unattractive.

profitable事物能够盈利，或者可能赚钱。Manky 是俚语，意思是肮脏和没有吸。