343. Trademarks are words, names, or symbols that identify the manufacturer of a product and distinguish it from similar goods of others.

译文　商标是用于识别产品生产商并且使之区别于其他类似产品的一些文字、名称或符号。

点睛　本句的主干是Trademarks are words, names, or symbols...。后面的that引导的是定语从句，具体说明商标所使用的品牌名称、符号等。句中identify意为“识别，确定，辨别”，而distinguish sth. from sth.意为“区分……和……”。

考点归纳　与distinguish...from...同义、近义的表达还有：

tell apart from意为“辨别，区分”。如：

Now it's hard to tell the forged document apart from the real one. 现在很难将这伪造的文件和真的文件区分开来。

make a distinction between A and B意为“区分……与……。如：

We must make a distinction between freedom and indulgence. 我们必须要把自由与放纵区分开来。

differentiate A from B意为“区分……与……。如：

They are already able to differentiate good guys from those bad ones. 他们已经能够区分好人和坏人了。

discriminate原意有“歧视”的意思，但也有“区别，辨别”的意思。如：

Can you discriminate good books from bad? 你能区别好书与坏书吗？

separate A from B意为“分辨，分别”。如：

To separate the wheat from the chaff seems to be a tough task for him. 对他来说，把小麦从糠皮中分出来是一项艰巨的任务。