We often neglect to make proper use of our bodies.
我们经常疏忽了合理使用我们的身体。
At the same time, the development of weapons is related to that adaptation—from rocks and stones to a set of hunting tools, and from hunting tools to rules relating to the proper use of weapons.
同时，武器的发展与这种适应有关——从石头和石块到一套狩猎工具，从狩猎工具到与正确使用武器相关的规则。
They say that electronic mail is often informal, and so many people do not use proper spelling or grammar.
VOA: standard.2010.01.16
She's also seen an increase in incorrect word use, with students reaching for a word that sounds correct, whose proper meaning is just a bit off from what they intend to say.
VOA: standard.2010.01.16
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