二者的用法和样例：
例句
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科技英语的一个重要的，也许是令人惊奇的特点是：无论是书面的传达，还是口头的交流，二者都是可以作为正式文体而通用的。
An important and perhaps surprising feature of technical English is that its normal style is common to both written and spoken communication. -
天才，在某一点上，像黄金一样；许多人不停地在写有关此二者的事，但他们自己一无天才、二无黄金。
Genius, in one respect, is like gold; numbers of persons are constantly writing about both, who have neither.
