请问单词发展development和devolopment有什么区别如上,有些人把单词写成devolopment,这种写法对么希望专业人士回答，能找出详解最好谢谢

请问单词发展development和devolopment有什么区别如上,有些人把单词写成devolopment,这种写法对么希望专业人士回答，能找出详解最好谢谢 development history和development track这两种用法对不对?能否翻译成发展历史和发展轨迹 better development和 further development的区别? 荷兰语单词区别de bil和de heup区别 为什么有的单词有名词形式还有动名词比如developing和development有什么区别 Distribution Development Officer?这是什么职位?三个单词分开看都知道是什么意思,可结合在一起就不太明白了.分布发展官员?销售主任? development development development 形容词词组和名词词组有什么区别就比如economic developmenteconomy development这两个单词有区别吗? person development和personal development有什么区别吗? 请问common interest development corporation是什么意思 Human Resource Development应该翻译成开发还是发展? 商业缩略语的起源(Origin of Business English Abbreviations)商业缩略语的起源和发展,(Origin and development of Business English Abbreviations) 英语作文：一篇关于节能空调的市场调查这些是作文需要的单词completely 完全地make research 市场调查lead to 导致technical development 技术性发展marketing strategy limited company sales market句型this is to intro model in development还是model under development?正在发展,还没有完成的模型,上面哪个对?还是其他答案?谢谢! 500年的发展怎么说啊是 five-hundred-years' development还是 five-hundreds-years' development还是 five hundreds years' development. education is an inportant part of our development?是什麽意思?麻烦把句子结构说一下.和一些单词的意思.