最优货币区是指能够以最小的实际经济干扰来稳定就业和价格的区域。
证据似乎支持病毒的基本结构是一个空心管的观点。
爱不是一种职业,它是一种状态。
Being powerful is like being a lady. If you have to tell people you are, you aren't.
You have to be willing to fail, to be wrong, to start over again with lessons learned.