supply;provide;offer的含义和用法有什么区别?

offer有主观上愿意共给的意思,其他词无此意,
offer还有出价、给多少工资的意思,其他词无此意
参考资料：
supply
vt.
1.供给,供应,提供[O1][(+to/for/with)]
Our farm supplies the market with fruits and vegetables.
我们的农场为市场提供水果和蔬菜.
We supply power to the three nearby towns.
我们对附近的三个城镇提供电力.
2.补充;满足
n.
1.供给,供应[U]
They are engaged in the supply of small parts for replacement.
他们从事提供备用小零件的工作.
2.供应量;供应品;库存(货)[C]
We have new supplies of fur coats.
我们有新进货的皮大衣.
3.生活用品;补给品;军粮[P]
Our medical supplies are running short.
我们的医疗用品快用完了.
4.(议会所通过的)支出[P]
5.(个人的)生活费[P]
My father has cut off the supplies.
父亲停止给我生活费了.
6.替代者[C]
offer
vt.
1.给予,提供;拿出,出示[O1][(+to)]
He offered me a glass of wine.
他端给我一杯酒.
2.愿意;试图(做某事);提议[Y][+to-v]
They offered to help me.
他们表示愿意帮助我.
He offered to lend me some books.
他表示要借给我几本书.
3.出(价);开(价)[O1]
We offered him the calculator for US$50.
这计算器我们向他开价五十美元.
4.贡献;奉献
vi.
1.提议
2.(机会等)出现
She travels whenever the opportunity offers.
她一有机会就去旅行.
3.献祭
n.[C]
1.提供,提议[(+of)][+to-v]
Thank you for your kind offer of help.
感谢你想给予帮助的好意.
2.出价;报价
provide
vt.
1.提供[(+for)]
On Sundays his landlady provided dinner as well as breakfast.
星期天,他的女房东不但供给早餐,还供给晚餐.
2.装备,供给[(+with)]
Somehow she managed to provide her children with food and clothing.
她总算设法使她的孩子有饭吃,有衣穿.
3.规定[Y][+(that)]
The law provides that these ancient buildings must be preserved.
法律规定,这些古老的建筑应该保存.
4.准备,预备
5.【宗】任命...就有俸神职
vi.
1.抚养,赡养[(+for)]
He tried to earn more money to provide for a large family.
他设法多挣钱以供养一个子女众多的家.
He has a large family to provide for.
他有一大家子人要养活.
2.作准备;预防[(+for/against)]
3.规定[(+for)]
The constitution provides for citizens' rights and obligations.
宪法规定了公民的权利与义务