whereas,but ,while的区别请说明理论,说些例子,

whereas,but ,while的区别请说明理论,说些例子, 几个然而介词的区别whereas however, while, nevertheless, but, yet... while,but和whereas三个词怎么区别? while, but, nevertheless, however, whereas到底有啥区别?特别是nevertheless.网上说的那个啥没影响,是指不影响后面的描述么?还有whereas呢? 求whereas 和but 的不同! 下面的词后面是加句子还是加短语?although,while,even though,whereas,but,despite,yet,likealthough,while,even though,whereas,but,depite,yet,like这些词后面加句子还是短语?是根据词性决定的么?希望能有个通俗易懂的 whereas和but一样吗? despite whereas while even if even though even so 的区别 but和while的区别 while 与but的区别 while和but的区别 whereas和but用法一样么 whereas与 while表示对比时有什么区别 请问whereas的用法是什么? 请教高手：英语并列句省略的详细问题!在英语并列句中,后一句可省略与前一句中的相同部分：所能查到的例子大多是以“and”和“but”为连词引导的并列句. 那么,连词so, while, whereas, for while&whereas做连词区别1.The system provides a way for companies to remain globally competitive _______ avoiding market cycles and the growing burdens such as healthcare costs and pension plans.A) but B) while C) whereas D) and 2.He thought I wa 求whereas和nevertheless的用法和but用法上有什么区别啊?（有例句最好） yet however but while 的区别