"So it's certainly not going to be with us in anything less than three years, and I think it's more likely that we're in a five to ten year time frame."
VOA: standard.2010.07.21
And it's changed a bit over the last five to ten years. And now it's been gentrified.
在过去的五到十年里,这儿有了一些小变化,现在这儿改善得不错。
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
- And it's worth--; it's sort of a useful test for asking yourself -- what are the things you must value in life-- to ask, what would you choose to do if you knew you had five years, ten years, ? what have you?
而这值得;,这算是一种很有用的测试,用来问自己什么是你在生命中必须珍惜的事-,问你会怎么选择,如果你知道自己还有5年,10年,之类的时间?
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