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数学的本质在于它的自由。
The essence of mathematics lies in its freedom.
过去是一个外国;他们在那里做不同的事情。
Sustainability is not just a buzzword; it's the foundation of our future in the ocean.
现在很清楚,杂种形成的种子具有两个分化性状中的一个或另一个,其中一半再次发育成杂种形式,而另一半产生保持恒定并以相等数量接收显性或隐性性状的植物。
The power of the Internet lies in its ability to connect people.
I was so much older then, I’m younger than that now.
The idea that a bell rings to signal when investors should get into or out of the stock market is simply not credible.
子夏说:“每天都学到些新东西,每月都不忘所学会的东西,就算好学了。”