The global financial crisis was the worst in modern history, and it required an extraordinary response.
全球金融危机是现代历史上最严重的危机，需要采取非同寻常的应对措施。
The discovery of gravitational waves has opened a new window to the universe.
The imagination is a muscle. If it is not exercised, it atrophies.
Personality changes more during your 20s than at any other time in life.
所有法律最初都是由习俗和民众信仰形成的，其次是通过法学——因此，在任何地方，都是由内在的、默默运作的力量所形成，而不是由立法者的任意意志所决定。