I will write later about math that is used as a tool in play, but now I am writing about math that is play — math done for no other purpose than the sheer fun and beauty of it.

以后我会谈到作为游戏工具使用的数学。但现在我要写游戏数学的事，纯粹为了乐趣和数学之美的数学。

youdao

A Normally I write an "a" for it, but I make an exception now because gravity, I call it "gravitational force."

一般加速度写作，但这儿是个例外，因为涉及到重力。

youdao

But now everything that I write, share, and create will be centered around the main purpose: helping people earn a living doing what they love.

现在我所写的，所分享的和所做的都会围绕着一个主要目标：帮助人们过上一种做他们想做的事情的生活。

youdao

But I live in New York now. I write for a large magazine.

VOA: special.2010.06.12

But now, I can also write it as v^2 over R.

但现在我也可以写成 v^2 / R

耶鲁公开课 - 基础物理课程节选

That was not the end of the Battle of Chancellorsville, but that is as much as I will write, right now.

FORBES: War Lessons for Investors I: Accept the Fog of Investing

Years ago I wanted to write a book, Another Woman: From Cleopatra to Marla, but now that seems to take us only halfway through the evolution of the mistress.

FORBES: Move up http://i.forbesimg.com t Move down