decide against doing 和decide on not doing有什么区别如题?

decide against doing 和decide on not doing有什么区别如题? decide on doing 对吗 decide+doing or decide+to dothank! against doing sth,与be against doing sth的区别 warn sb.against (doing)sth. 求救英语 decide的用法decide的动词短语是的decide doing还是 decide on sth 有decide doing sth 还是 decide to do sth? 请问是decide to do sth 还是 decide doing sth? decide/decide to do sth/decide on sth/decide doing sth/decision/decide that的用法详细,.. Would you rather I ___ buying a new bike?A. decided against B. will decide against C. have decided against D. shall decide against选什么?为什么?谢谢! decide on例句,不加doing的 请问decide against这个短语是什么意思?敬请告知 against 加doing 还是to do ,against 前要加 be decide的用法decide to do与 decide doing的区别 有decide doing sth.吗?为什么书上写decide on(upon) sth./doing sth.? Would you rather I ________ buying a new bike?A. decided against B. will decide against C. have decided D. shall decide against be against doing sth play against against 他们有什么区别呢,用法是什么 呢 decide 的用法疑问decide on doing sth 和 decide to do 有什么区别么 我说的是 decide on doing sth