Bees add an estimated eighteen billion dollars a year to the value of American crops. They pollinate flowers that become fruits, nuts and vegetables.蜜蜂每年给美国农作物带来大约180亿美元的收益。 它们授粉过的花会长成水果、坚果和蔬菜。_____________________________________________________.
The highest court in the United States is considering the constitutionality of the new health care law. The Supreme Court heard three days of arguments this week over the question of what is called the individual mandate.美国最高法院正在审理新医保法案是否违宪。本周,最高法院就这一被称为“个人强制购买保险”的问题进行了为期三天的聆讯。
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It is part of the Affordable Care Act, which Congress passed and President Obama signed into law two years ago.个人强制购买保险是《合理医疗费用法案》的一部分,是两年前美国国会和奥巴马总统签署生效的。
But in recent years, honeybee colorn.. in the united states and europe have ... scientists have proposed different ...to explain what is known as clasps the order