The way children talk about or express their feelings depends on their age and stage of development.

孩子们谈论或表达情感的方式取决于他们的年龄和成长阶段。

《柯林斯英汉双解大词典》

Illustrations and text should be appropriate to the children's age and stage of development. See the reference list on page 64 for more information.

插图和文字应该同孩子的年龄和成长阶段相符。

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Consequently, children of a particular age cannot be expected to master educational material without taking into account their current level of cognitive development.

因此，如果不考虑特定年龄段的孩子们目前的认知发展水平，就不能期待他们能够掌握教材。

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The coming of the Iron Age, a development of immense political importance around 1000 B.

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In the current climate, marked by the increase in inequalities in the countries of the North and by rapid change in certain countries of the South, the age-old question of measuring development has taken a new form.

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However, these losses were related not only to falling usage of Age of Conan but also development and marketing costs for The Secret World.

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