World expositions are galleries of human inspirations and thoughts .
世界博览会是人类灵感和思想的艺术长廊。
Innovation is the soul , while cultural interaction is an important mission of the world expositions .
创新是灵魂，但是文化间的互动交流是世博会的一项重要任务。
They seem a little interchangeable with conferences and expositions .
它似乎是会议与展览会的同义词。
A natural question , when public expositions of the greenhouse effect usually present it as a matter of elementary physics .
一个通常遇到的问题是，当向公众解释温室效应时，常常将其归纳为一个纯物理学的问题。
On the one hand , we shall endeavour to attract about 200 nations and international organisations to take part in the exhibition as well as 70 million visitors from home and abroad , ensuring the widest possible participation in the history of the world expositions .
