although：although A， B：盡管有A，B還是出現了若A是正，那B就是負的。

　　例如：Although the world regards Asia as the focus of an economic and industrial miracle， without adequate supplies of food， Lampe says， chaos could easily result in many countries.

　　解釋：miracle奇跡，表正向，則but后的chaos是一個表負向的詞。

　　while：五個含義：

　　A. although：雖然，盡管

　　B. as long as：只要

　　C. whereas， but：表轉折

　　D.when：當。。。的時候

　　E. n. 表一段時間

　　例如：While ducks offer many advantages over hens， they must be given greater quality of food， especially if regular eggs are desired.

　　解釋：原文在本段之前講鴨子的好，在本段之后講它的不好。

　　Albeit：盡管，雖然

　　例如：Albeit true but not now.