Because of longer life spans, Americans are also boosting their savings to preserve their nest eggs, the TD Ameritrade study showed, which surveyed 2,000 adults between 40 to 79.
德美利证券公司的该项研究调查了2000名40至79岁的成人,研究表明,由于寿命延长,美国人也在增加储蓄以留存养老储备金。
Making a guitar with a solid body permitted the sound of the strings to last longer because their vibrating energy was not weakened by a vibrating sound box.
VOA: special.2009.09.27
Because of the lack of oxygen getting to the cells, the cells are no longer able to carry on their various metabolic processes.
由于细胞中缺少氧气,所以细胞不能完成,它们的各种新陈代谢活动
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