This time the plans of the companies bidding for core projects of the high-speed railway must rely on the help of foreign consultancy companies, and still need more than ten years (what a professional person can read in one year) before they are read through. Thus can be seen the general degree of difficulty for deciding on standards.
這次高鐵核心工程的競標廠商計畫書，不僅要借助外國顧問公司之力、而且要十幾個「人年」（一個專業人士看一年）才能看完，決標的難度也就可見一斑了。