Traceability in seafood isn't just good ethics, it's good business.
问题的根源在于未能区分运营效率和战略。
"Prime numbers are what is left when you have taken all the patterns away. I think prime numbers are like life. They are very logical but you could never work out the rules, even if you spent all your time thinking about them."
The historian's first duty is to tell the truth as he sees it, regardless of whom it pleases or displeases.