The sticking point of development strategy of Headset-TV is not new technology but the unique content products, the real bottleneck.

各类手持电视在解决完阶段性的关键技术难题之后，最终的瓶颈将是内容产品。

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From my point of view, while it is true that the income gap may stimulate the social development to some extent, it causes trouble as well.

在我看来，虽然收入差距确实在一定程度上刺激了社会发展，但它也带来了很多问题。

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They point out that free-time activities play an important role in childhood development and that large amounts of homework reduce children's free time, hindering their development.

他们指出，业余活动在儿童发展中发挥着重要作用，大量的家庭作业减少了孩子的业余时间，阻碍了他们的发展。

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Coleman, the ethanol advocacy group director, said there are about 50 "advanced" biofuels projects at some point of development, with about a dozen ready and just waiting on financial backing.

CNN: Ethanol: Is it friend or foe?

They allow coaches to concentrate on teaching instead of winning, which is supposed to be the point of youth sports development.

FORBES: What 'Outside the Lines' Missed About 'Entitled' Young Athletes

Today, many brands are using technology to learn the price the market will bear for a new product, at the point of initial product development.

FORBES: Pricing Part 3: How Does A Brand Know When The Price Is Right?