在他年轻的时候,他开始用一生的时间走遍数万英里,南至佛罗里达,西至加利福尼亚,北至阿拉斯加。
As a young man, he began walking over tens of thousands of miles during his lifetime, through the south to Florida, the west to California and north to Alaska.
每年寄给圣诞老人的信都有数万封之多。
在全球,氡每年可造成数万例肺癌死亡。
On a global level, tens of thousands of lung cancer deaths annually can be attributed to radon.
The risk tolerance curve for the tens of thousands of people that we needed to hire, you just couldn't quite get them.
由于风险承担曲线,我们需要雇佣数万名员工,但是却,雇不到。
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