How do you define diversity in the American context?
Egypt requires some fire-safety measures in buildings, including fire extinguishers, but in general the rules are not strictly enforced.
埃及要求建筑配有一些火灾安全措施，包括灭火器，但是这些规定普遍未被严格执行。
Everything has its own sense of time.
U.S. military official say the crash late Friday occurred during combat operations in Kunar province.
美国军方官员称，上周五在库纳尔省作战行动中发生坠机事故。
For example, we can put multimedia resources libraries on the Internet and students can have access to these libraries just by clicking the mouse.
They do not operate separately. Rather, they are interacting and interdependent.
Police in Iraq say a British helicopter has crashed in the southern city of Basra, apparently after being hit by a rocket or missile.
伊拉克警方称，一架英国直升机显然是被火箭或导弹击中，然后在巴士拉南部城市坠毁。
If they don't make the first step, after a few days, go ahead and introduce yourself.
Positive stress occurs in a life situation towards which one feels positively, things like Christmas or getting married are usually positive events, but still stressful, nonetheless.
积极压力发生在人们觉得是正面的生活场景中，比如，圣诞节或者结婚都是正面的事件，但是还是会让人紧张。
A single lifestyle decides nothing if not integrated with a good environment.