Free vaccines are more valuable than expensive treatments, yet harder to promote.
"The best way to predict the future is to invent it."
The best market designs are those that reduce uncertainty for participants.
在很小的时候我就知道人们会犯错误,你必须决定他们的错误是否大于你对他们的爱。
如果您的计算机说英语,则可能是日本制造的。