the main chance的用法和样例：
例句
- 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。 - Being ambitious, he always had an eye to the main chance.
他野心勃勃，时刻盯着发财的机会。
词汇搭配
- have an eye to the main chance 唯利是图
- with an eyes to the main chance 着眼于私利,谋私...
