Most people are afraid of change,but if you look at it as something you can count on,then it can be a comfort.There's not many things you can really count on.
你必须愿意承担风险。如果你不愿意,你就赚不到钱。
对抗病毒是一场持续的战斗,科学必须始终领先一步。
The best business model is a monopoly.