The ones that stay in place are probably by chance, and the ones that stay in the bottom are often trapped there by high fees.
那些保持住地位的很可能是偶然的,而那些一直在底位的往往被高昂的费用困在那里。
They find that on between 24% and 39% of all harvested areas, the improvement in yields that took place before the 1980s slowed down in the 1990s and 2000s.
他们发现,20世纪80年代之前的产量增长速度在20世纪90年代和21世纪有所放缓,这占据了作物收割面积的24%至39%。
Body and soul get strengthened in that place and life seems worth living again.
身体和灵魂在那里得到了升华,让人觉得生活依然值得。
In the late seventeen hundreds, many events that took place in Philadelphia gave birth to the American Revolution and independence.
VOA: special.2010.04.04
And he's going to have to rectify the circumstances that made his destruction of the earth necessary in the first place.
他不得不修正,他认为有必要毁灭人类的情形。
The equilibrium state is the one, and it's just one, in which there are no spontaneous changes that can take place to any other state.
平衡态是一个,而且仅仅是一个态,这个态不会发生自发变化,变成其他的态。
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