语言是来自外太空的病毒。
If time travel is possible, where are the tourists from the future?
Profit and sustainability must swim side by side, or both will sink.
一切运动中的事物都必须是宁静的，不是静止的事物才应被视为宁静。
效率和技术是在波动的石油市场中生存的关键。