The hospital needs two men doctors.
这家医院需要两个男医生。
Comparing the two helps doctors rule out cancer in men whose PSA is mildly elevated from other causes.
比较这两个PS A值可以帮助医生排除一些PS A值因为其他原因升高,所以被诊断为癌症的可能。
Doctors recommend one glass a day for women, and two for men.
医生的建议是:女人一天可以喝一杯,男人一天可以喝两杯。
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