图谋私利 meaning in Chinese

fly one's own kite

Bob visits his rich uncle every week ; he ' s always had an eye on the main chance
鲍勃每周都去拜访他有钱的叔叔，他总是图谋私利的。
However , especially as the selling price rising , a vendor often sells the goods to the others in order to earn more private profit , which is also called " a dual trading "
而一物数卖，自古有之，尤其在物价上涨之际，出卖人经常会罔顾信用，图谋私利而为二重甚至多重买卖。