I prefer oil paintings to watercolor paintings.

与水彩画相比，我更喜欢油画。


prefer…to…/rather than: 与…相比，更喜欢….   例：I prefer painters who use oils rather than water colours.我更喜欢油画家而不是水彩画家。Many people preferred to die rather than surrender during the war.在战争期间，许多人宁死不屈。