尺有所短；寸有所长。物有所不足；智有所不明。

Everyone has his own advantages; Sometimes an inch may prove long. Things are not enough; wisdom is unknown.

讨论：尺有所短，寸有所长，两者都有自己的长处，也可以有自己的短处。

Discussion:The Chinese foot have short, the inch have long, both all have own strength, can also have own shortcoming.

然而，尺有所短，寸有所长，板书也能在现代课堂展现出许多多媒体所无法完成的任务。

However, chi are short to some extent, an inch has length, the writing on the blackboard can show the task that a lot of multimedia can't finish in the modern classroom too.