His secret sauce is perhaps a very lucrative secret .

他的秘方或许会是个非常有利可图的秘密。

It was the crown commodity in the lucrative feather trade .

它是赚钱的羽毛生意中最昂贵的商品。

Such sales are lucrative , but also divisive .

这类出售有利可图，但也容易导致冲突。

Serving the scattered balkan diasporas ought to be lucrative .

为巴尔干地区分散的侨民提供服务还是有利可途的。

Private banks have even turned this into a lucrative line of business .

私人银行甚至将此转变为一项有利可图的业务。