有推测说，经过几千年的进化，我们身体的免疫系统已经习惯了蠕虫的存在，所以如果去除它们，免疫系统就会因没有对抗物而失控。
One theory is that, over millennia of evolution, our immune systems got used to worms. So if you take them away, the immune system runs wild, as it has nothing to work against.
所有国家都一致同意银行需要更多的资金，而且纯资产作为对抗亏损最强劲的缓冲物应占更大份额。
All agree that Banks need more capital and that a greater share of it should be pure equity, the strongest buffer against loss.
1947年在波士顿儿童医院工作时，法伯利用叶酸对抗药这种化学品组合物治疗儿童白血病人取得了巨大成功。
In 1947, working at Boston's Children's Hospital, Farber had had striking success in treating child-leukemia patients with a group of chemicals known as folic-acid antagonists.
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