He has a clause in his contract which entitles him to a percentage of the profits.
他在他的合同里有一项条款保证他享有一定比例的利润。
《柯林斯英汉双解大词典》
2
We now expect global GDP to contract by 1.9% in real terms in 2009; this is down a full percentage point from our previous forecast of 0.9% shrinkage, made in mid-January.