My words in her mind: cold polished stones sinking through a quagmire.
过去是一个异国他乡;他们在那里做事的方式不同。
Make no mistake about it: Computers process numbers - not symbols. We measure our understanding (and control) by the extent to which we can arithmetize an activity.
模型的好坏取决于其所基于的数据。
The only limit to our realization of tomorrow is our doubts of today.