supply和offer有什么区别?

offer和supply意思有什么区别 supply和offer有什么区别? supply;provide;offer的含义和用法有什么区别? provide/ supply/ offer/ afford有什么区别 supply和offer的区别 supply.offer.provide和support区别 offer、provide、supply的用法和区别? offer supply provide区别 offer provide supply的区别 supply offer provide 的区别 offer和supply作"东西"解时有何区别? offer supply provide 的用法有何区别,