Pine needle powder is a kind of highly effective green feed additive.

松针粉是一种高效绿色饲料添加剂。

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I developed four safe and effective green beauty products based on ancient Chinese documents.

于是我根据古籍的记载，设计研制了四种安全、有效的绿色美容产品。

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Combination of these processes would be an ideal, integrated-effective green cutting, mechanical cutting of the future direction of the mainstream.

这些工艺的有机结合将是一种理想的、综合效益好的绿色切削，是未来机械切削加工的主流方向。

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Housing shortages are exacerbated by lack of available land, by our laborious planning regulations and by a particularly effective green lobby.

BBC: Head to head: Boom or bust?

But critics argue that these green tariffs aren't as effective as switching to a green supplier.

BBC: 28 MARCH

"For the idea of tall wooden buildings to be viable they have to be cost effective, " says Green.

CNN: Can wooden skyscrapers transform concrete jungles?