纪炎涛认为2000元的工资不能够维持他在北京的开销。
Ji thinks the 2,000-yuan salary might not allow him to survive in the capital.
脊髓灰质炎将是21世纪根除的第一种疾病，并且只是继天花之后永远消灭的第二种疾病。
Polio will be the first disease to be eradicated in the 21st century and only the second disease ever wiped out by humankind, after smallpox.
在21世纪，儿童仍因不能获得保护他们罹患脊髓灰质炎、麻疹或肺炎疫苗而导致残疾或死亡的这一事实是不能接受的。
It is unacceptable, in the 21st century, that children are disabled or die because they cannot access the vaccines that protect them from polio, measles or pneumonia.
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