agree to
　?、僦饕脕肀硎疽环教岢鲆豁椊ㄗh、安排、計劃等,另一方同意協(xié)作：
　　We agreed to their arrangement.我們同意了他們的安排.
　　She agreed to marriage.她同意結(jié)婚.
　　有時 agree to 也可用來表示“答應(yīng)”一件自己不愿做的事：
　　I was forced to agree to it,but at heart I didn’t quite agreewith it.我被迫答應(yīng),但內(nèi)心并不完全同意.
agree on [upon]
　　①主要指雙方通過協(xié)商而取得一致意見或達成協(xié)議：
　　We agreed on the price.我們就價格達成了一致意見.
　　Both sides agreed on these terms.雙方都同意這些條件.
　?、诤蠼觿用~ (=agree to do sth)：
　　He agreed on lending (=to lend) us some money.他同意借給我們一些錢.
　　Mary agreed on coming [to come] on Monday.瑪麗同意星期一來.
I agreed on this plan.是說我（樂意）同意這個計劃.
I agreed to this plan.是說我（被迫）同意這個計劃.