1、只有 decide to do sth; 2、decide on (或upon) (1)决定要,就…做出决定,对…做出决议: She has decided on art as a career. 她决定选择艺术为职业。 I've decided on going there.我已经决定到那儿去。 (2)选定: I've decided on a new computer. 我已经选定一种新计算机。 Has the list of candidates been decided upon? 候选人名单确定了吗?