career, occupation, job 的区别

career, occupation, job 的区别
career是职业生涯的意思，occupation是职业，即某人的职业是什么，也就是工作，是比较专业性的词，job的范围就比较广了，范指一切工作。

我要的是英文解释
注意是英文
最好长一些
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看牛津高级英汉双解词典的解释：

career
n.[C] profession or occupation with opportunities for advancement or promotion 职业; 事业; 生涯: a career in accountancy, journalism, politics, etc 会计、 新闻工作、 政治等生涯 * She chose an academic career. 她选择了学术界职业. * [attrib 作定语] a career diplomat, ie a professional one 职业外交家.

occupation
[C] (a) (fml 文) job; employment 工作; 职业: `What's your occupation?' `I'm a dancer.' ‘你的职业是什麼?’‘我是跳舞的.’ * Please state your name, age and occupation. 请说明姓名、 年龄和职业.
(b) activity that occupies a person's (esp spare) time; pastime 占据某人时间的活动; （尤指）业余活动; 消遣: She has many occupations including gardening and wine-making. 她有许多消遣, 包括园艺和酿酒. * His favourite occupation is reading. 他的业余爱好是看书.

job
n 1 regularly paid position or post 职业; 职位: Thousands o