人为某样东西实际支付的成本至少是标价的两倍，因为买来后设置、学习、维护、修理，以及最后处置，也需要耗费精力、时间和钱。不是所有的实际成本都在价签上。实际成本是标价的2倍。
What you actually pay for something is at least twice the listed price because of the energy， time， money needed to set it up， learn， maintain， repair， and dispose of at the end. Not all prices appear on labels. Actual costs are 2x listed prices.
"Stay true to yourself, yet always be open to learn."
"Understanding quantum mechanics is not about accepting its strangeness, but about embracing it as a fundamental aspect of reality."
The bank is not a pawnshop, the bank is a credit intermediary.
别人为食而生存，我为生存而食。
Our younger generation are going to transform this country while at the same time being transformed themselves.
You are not your circumstances. You are your possibilities.
凡是有不和的地方，我们要为和谐而努力；凡是有谬误的地方，我们要为真理而努力；凡是有疑虑的地方，我们要为信任而努力；凡是有绝望的地方，我们要为希望而努力。