Most of the time, you are a foreign businessman, you don't want to offend your Chinese host by notating the most expensive dish ordered.

多数时候，这种事情发生在外国商人身上：他们不想因为拒绝享用最贵的食物而得罪了中国的东道主。

It was less than 100, 000 years ago that our human predecessors first made meaningful marks on surfaces, notating the phases of the moon or drawing animals on cave walls.

从古至今，这种改变在读写形式的进化中早已屡见不鲜。 在不到十万年前，人类先民才第一次把有意义的符号刻画出，比如在洞壁上记录下月相或画上动物。