网球是一项残酷的运动。没有平局。如果你输了,你就出局了。你必须准备好接受这一点。
黄金和白银,像其他商品一样,具有内在价值,这不是任意的,而是取决于它们的稀缺性、获取它们所耗费的劳动量以及在矿山中使用的资本价值。
"The most powerful tool we have as leaders is our own example."
The study of L-functions is a journey into the hidden symmetries of the number field.
We must balance short-term commercial realities with long-term environmental responsibilities.