过去总是紧张的，未来是完美的。
"The past is always tense, the future perfect."
我不喜欢重复自己，我喜欢接受挑战并尝试新事物。
We try to buy stocks that are undervalued, and then we wait for the market to recognize their value.
Sustainability must be profitable, or it won't be sustainable at all.
The challenge in computer science is to bridge the gap between the theoretical models and practical applications.
