The super weeds boost costs and cut crop yields for U.S. farmers starting their fall harvest this month.

这些杂草增加了农民的成本并且降低了美国农民本月秋收的产量。

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Starting the day with carbs (like bread, potatoes, pancakes) may give you an instant energy boost but beware of that inevitable sugar crash that makes you want to eat more as the day wears on.

以碳水化合物(如面包、土豆、煎饼)开启一天可能引起能量的快速增加，但是当心，不必要的糖会让你在这一天想要吃更多的糖。

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Two-thirds of the boost will come from tax rebates, which 130m American families are due to receive starting in May.

该项政策的三分之二将用于返还税款，1300万美国家庭将从五月份开始陆续收到退还的税金。

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If this was tetanus, you got this tetanus vaccine when you were young; you get a boost every five or ten years because your antibody levels are starting to fall.

以破伤风为例,小时候,你接种过破伤风的疫苗,每隔五年或十年要再接种一次,这是因为体内的抗体浓度会下降

耶鲁公开课 - 生物医学工程探索课程节选

Fears that the launch of the euro will boost inflation are starting to grow.

BBC: Euro launch creates inflation fears

Expect a big boost in business starting next year: Supertex is working with Neo-Neon, a Chinese firm that is supplying lighting for the 2008 summer Olympics in Beijing.

FORBES: Where Are They Now?

Inflation is starting to boost pay rises among major car manufacturers to as high as 5pc, following years of wage freezes and cuts, new figures showed.

FORBES: BP Can't Find Workers: Structural or Cyclical Unemployment?