And once armed with the drug, you have to devise tests that reveal what type of cancer someone has, in order to find out whether the drug will work in his case.
中文意思：
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1
And on-line retailers are seeing big increases in sales -- though not, as yet, profits.
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2
And once I was up there, I was actually ok.
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3
And once a year many of them gather to talk about pi, rhapsodize about it, eat pi-themed foods (actual pie, sure, but so much more), have pi recitation contests and, just maybe, feel a little less sheepish about their unusual passion.
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4
And once again it looks like PC users will have more options here.
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5
And once again, thank you very much for coming.
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6
And once armed with the drug, you have to devise tests that reveal what type of cancer someone has, in order to find out whether the drug will work in his case.
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7
And once he said: Four-fifths of our troubles in this life would disappear if we would only sit down and keep still.
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8
And once in orbit，there's no inexpensive and simple way to service them.
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9
And once outside in the fresh air, there are plenty of activities to embark upon.
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10
And once you have been lured in, they fight like hell to keep you: hence the growing number of Silicon Valley lawsuits.
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11
And once you have crossed the line, suddenly you are out.
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