unavailable part的意思|示意

Having fun together is a key part of building relationships, and it also provides youth with valuable opportunities that are otherwise often unavailable to them.

与对方一起玩耍是建立联系的关键部分，并且它为年轻人提供了非常有价值的机会，很可惜，这种机会现在常常在他们的生活中难以获得。

Many parts in batteries are unique and rarely dual-sourced, so the industry has several weak points in the supply chain and the potential for massive shortages if any one part is unavailable.

电池的很多组件都是独一无二的，很少有第二家来源，因此业界的供应链有一些弱点，如果这些元件中的任何一样供应不足都有可能造成严重的短缺。

Remote User's Part Unavailable.

远端用户部分无效。