available,obtainable有什么区别?

单词obtainable available useful的区别 用法? available to和available for有什么区别? HSBC 里的 balance 和available balance 有什么区别? be available for与be suitable to 有什么区别 信用证里的available with any bank by payment和 by negotiation有什么区别 Be available to与 be available for有啥区别?Few parking space was Available-for-sale和held-for-trading有何区别? available balance和present balance有什么不同? 谁知道available什么意思? available什么意思 available什么意思? emotionally available什么意思