为扭转局面，巴西航空工业公司把市场定位在中型喷气机，同时也创造了新的商业模式。

Embraer turned itself around by spotting a market niche in medium-sized jets and by inventing new business models.

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科学家们希望他们为这种重要的顶级捕食者——处于食物链顶端的捕食者扭转局面。

Scientists hope they can turn things around for this important apex predator, meaning one that is on top of the food chain.

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