二者的用法和樣例：
例句
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科技英語(yǔ)的一個(gè)重要的，也許是令人驚奇的特點(diǎn)是：無(wú)論是書(shū)面的傳達，還是口頭的交流，二者都是可以作為正式文體而通用的。
An important and perhaps surprising feature of technical English is that its normal style is common to both written and spoken communication. -
天才，在某一點(diǎn)上，像黃金一樣；許多人不停地在寫(xiě)有關(guān)此二者的事，但他們自己一無(wú)天才、二無(wú)黃金。
Genius, in one respect, is like gold; numbers of persons are constantly writing about both, who have neither.
