Yang thinks current apps for children aren't comprehensive enough to nurture early child development.

杨丹认为，目前针对儿童的应用程序还不够全面，无法充分满足早教的需求。

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Early child development (ECD), in turn is a life long determinant of health, well-being, and learning skills.

儿童早期发育，转而就会成为一生健康、福祉和学习技能的决定因素。

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Parents and families are the key to early child development, but need support to provide the right environment.

父母和家庭是儿童早期发育的关键，但需要获得协助，以提供适当的环境。

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But he said until now very little was known about the effect of paternal depression on early child development.

BBC: NEWS | Health | Father's blues can blight babies

Mr Reiner also had a word with Newsweek, which agreed to publish a special issue about early child development.

ECONOMIST: American democracy

This year has seen two national conferences on early-child development and a session on the subject at the meeting of the National Governors' Association.

ECONOMIST: American democracy