Most travel from one developed nation to another, but the flow from developing to developed countries is growing rapidly.

大多数人是从一个发达国家到另一个发达国家旅游，但从发展中国家到发达国家旅游的人数正在迅速增长。

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Some show up ready, but many do not at this critical time when young brains are developing rapidly.

有些学校已经准备好了，但仍有许多学校在孩子大脑快速发育的这个关键时刻，还没有准备好。

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Community health service is developing rapidly in China, but the training mode of general practitioner is still inadequate.

社区卫生服务正在我国飞速发展，而其主力军——全科医生的培养模式还存在不足。

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But companies are rapidly developing miniature medical devices that tap the power of the ubiquitous smartphone in hopes of changing how people monitor their own health.

NPR: Physical By Smartphone Becoming Real Possibility

But that one fell victim to rapidly developing technologies, the recession, and the collapse of the consumer electronics market, and is unlikely to return a significant profit.

FORBES: David S. Rose -- Father of Angel Investing in New York

Airbus and Boeing do not have much to worry about yet, but China's aviation industry is developing rapidly and the goal of building a wide-bodied airliner is not out of the question.

ECONOMIST: Aviation in China