These mice ended up getting sick a lot, and needed to eat much more than normal mice with intestinal bacteria in order to gain weight.
结果是，这些基因变异的老鼠不仅经常生病，而且要比正常老鼠吃更多才能长肥。
He used to feel sick a lot. Now, he is used to the lifestyle of a flying doctor.
他过去感到非常不舒服。现在，他习惯了飞行医生的生活方式。
While more than half of bosses are skeptical of employees who phone in sick, a new study has revealed what is most likely to earn you the day in bed - and it's not having the sniffles.
虽然超过一半的老板会对员工的病假电话表示怀疑，但一个最新的调查揭示了什么理由最有可能让你请到一天假，而且连喷嚏都不用打。
While more than half of bosses are skeptical of employees who phone in sick, a new study has revealed what is most likely to earn you the day in bed - and it's not having the sniffles.
虽然超过一半的老板会对员工的病假电话表示怀疑，但一个最新的调查揭示了什么理由最有可能让你请到一天假，而且连喷嚏都不用打。
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