There are two ways to take anti-malarial drugs: the expensive way, which helps the world; and the cheap way, which helps only the patient. Most Africans cannot afford the expensive way and, as a result, the world's most effective anti-malarial drug may lose its potency.
抗瘧藥有兩種使用方式：一種花費(fèi)昂貴，但有助于全世界；另一種廉價，但只有助于病人。大多數(shù)非洲人都支付不起昂貴的方式，世界上最有效的抗瘧藥可能會因此失去藥效。
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