spend on sth 等于spend doing sth

spend on sth 等于spend doing sth spend doing sth和spend on sthspend doing sth等于spend on it takes sb some time to do sth 等于 spend doing sth 、 spend on why? 有spend.on doing sth spend...on sth 啥意思 spend doing sth.和 spend on sth.有什么区别? spend的用法spend 一般不就用在spend on sth 和spend (in) doing sth spend with哪来的?spend sometime with sth可以么? spend...on(in)doing sth.造句 spend some time on sth 造句 用 spend …on sth造句 Spend time on sth with sb 造句 spend st/sm on doing sth 造句 spend ...on(in) doing sth ---------------------------------------------的区别 Spend…on sth.如题. spend on/for sth的区别 spend on等于spend doing还等于什么 spend on spend some money on sth.还是in sth. spend time in doing sth和spend time on doing sth的区别