虽然吸锌片已经被推广为治疗普通感冒的药物，但研究显示并没有一致的效果。
Though sucking zinc lozenges has been promoted as a treatment for the common cold, research has revealed no consistent effect.
我强烈认为两个关键问题必须被解决，用于改进服务的提供和加强治疗效果。
I feel strongly that there are two key issues that must be addressed to improve service delivery and enhance treatment outcomes.
只有当该机构检验了药物测试的数据并认为它具有良好的治疗效果而没有严重的副作用，这种药物才被允许制造和销售。
Only once this authority has reviewed the data on the drug and agreed that it offers therapeutic benefit without serious side effects is the drug approved for manufacture and sale.
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