Why some people are pessimists,but some are optimists

Why some people are pessimists,but some are optimists Why are some people always happy.是什么意识 why some people are so hypocrite什么意思 why are some people unwilling to serve other?怎么翻译? why some people are so hypocrite?To survive why some words are appropriate to use when describing people and some are not. why we are people? why are some people very energetic while some feel _____(tire)easily some people are afraid to speak English,are you afraid to speak English?and why? some people are quite______. Why do you think some people smoke?What are the disadvantages of smoking?英语 不是 翻译 Why do you think some people smoke? What are the disadvantages of smoking? There are some reasons why people begin to diet意思是什么? Why are Chinese people here why their are few people? Why do some people so hypocritical? Why do some people like their bedroom some old people are P______cards.