许多国家的公共卫生专家正在讨论如何解决我们社会中普遍存在的孤独感问题。
Public health experts in many countries are debating how to address widespread loneliness in our society.
几十年前，公共卫生专家就接受了这一观点。但到目前为止，还没有人能够证明女性的阅读能力本身就能提高孩子的生存几率。
Experts in public health accepted this idea decades ago, but until now no one has been able to show that a woman's ability to read in itself improves her children's chances of survival.
公共卫生专家担心，蠕虫将会对这种叫做吡喹酮的药物产生一种抗体。
Public health experts worry that the worms will become resistant to this drug, praziquantel.
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