Respecting the child's nature and his personality's natural development is the soul of activity teaching.

尊重儿童的本性及其个性自然成长，是活动教学的灵魂；

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Its aim is to guide the country's environmental policies and future laws to protect natural resources and ensure safe economic development.

VOA: special.2010.04.21

So, I want to stress the sense of natural development, not some kind of a central authority making a decision about anything.

我在这里强调,这是一种自然的发展方式,不是某种中央政权进行决议的结果

耶鲁公开课 - 古希腊历史简介课程节选

Land development and agriculture are just two uses of natural resources that change and destroy environments that birds need.

VOA: special.2009.05.12

The market for bras that enhance the female form has to contend with at least one natural development: unaugmented breasts are getting bigger by themselves, thanks to the pill and changes in diet.

ECONOMIST: Bra wars

This was not a natural development, however.

FORBES: Eduard Porter Scribbles Non Sequiturs To Incorrectly Denigrate Profits

Krasinski made the switch because natural gas development is more topical, and more visceral, than wind development.

FORBES: 'Promised Land': A Love Letter To Longmont