cost 和 spend在选用介词on时,只能是spend加on吗?on是放在s

spend的用法spend 一般不就用在spend on sth 和spend (in) doing sth spend spend on 用'花费'cost/take...to和spend...on.造句.举例! spend后面到底是加in还是on? spend+on后面能加doing吗? spend on 和spend with区别 spend doing sth和spend on sth spend in和 spend on的区别 spend with 和spend on的区别 spend time () sb 是 with 还是 on spend 带的是in 还是on? spend on和spend in的用法到底是怎样的?