Non-linearity

non [[nɔn]]

adv. 非, 不

linearity [ˌlɪnɪ'ærətɪ]

n. 线性，直线性;

Are you Mr. Chen?

你是陈先生吗？

Rome was not built in a day.

罗马并非一日可建成；坚持必成。

Pierre and I borrowed the money and bought the necklace. During the next ten years we both worked day and night to pay back the money we had borrowed. That's why I now look so old. Well, after all these years we've at last paid back all the money.

我和比尔借了一笔钱，买下了那条项链。在后来的10年时间里，我们两人为了偿还这笔借款不分昼夜地干活。这就是为什么我现在看起来这样老的原因。好了，过了这些年之后，我们终于还清了全部借款。