"Whereas" 是一個連詞，用來引入一個對比或相反的想法，或表示兩件事之間的對比或區別。以下是一些使用 "whereas" 的例句：
對比或限制的陳述：
"He earns 8000 a year, whereas she gets at least 20000."
"Cars to them are a hassle, whereas for us they were a luxury."
從一個思想轉向另一個思想：
"The weather was sunny and warm, whereas the next day it was cold and rainy."
強調差異：
"Some countries only have one official language, whereas others have many."
"I enjoy the mountains, whereas my wife prefers the ocean."
展示不同情況或結果：
"Some of the studies show positive results, whereas others do not."
"Pensions are linked to inflation, whereas they should be linked to the cost of living."
通過使用 "whereas"，我們可以清晰地表達兩個或多個觀點之間的對比或差異，幫助讀者更好地理解不同情況或觀點之間的聯繫和區別。