Of course, besides strengthening one's own capabilities, a person's career depends intimately on changes in the economic environment. Never has been this been more true than today, when economic ups and downs directly affect companies 'personnel policies. Thus it is necessary to fully understand the employment market if one wants to maximize options.
當然，除了強化自身的條件，一個人的生涯發展也與外在環境的變化密不可分，尤其現今市場需求常受經濟景氣的影響而變化，也因此直接影響了公司的用人政策，所以就業市場行業別的景氣，也是轉換生涯時必須具備的情報。