The key to successful trading is to know when to buy and when to sell.
我从来没有见过这样阴郁而又光明的日子。
"La verdadera patria del escritor es su lengua."
我们需要挑战现状,以不同的思维方式寻找更好的做事方法。
Time present and time past are both perhaps present in time future, and time future contained in time past.