成功的市场设计关键在于预测参与者在不同规则下的行为。

Never use a credit card for credit. The only kind of credit， or debt， that is acceptable is debt to acquire something whose exchange value is extremely likely to increase， like in a home. The exchange value of most things diminishes or vanishes the moment you purchase them. Don’t be in debt to losers.

小说让我们能够讲述那些对非虚构作品来说太过滑溜的真相。

我们有责任在应对气候变化的同时提供可靠且负担得起的能源。