The broad context for this ICE-Topics module is the commonsense notion that, when designing something, one should plan for the off-normal conditions that may occur.
综合化学工程专题模组的宽广背景是常识观念，当设计某件东西时，应该为一些可能发生的非常规条件作打算。
2
People with cystic fibroses are unable to fight off such bacteria, even though their lungs produce normal amounts of the antibiotic.
患有囊性纤维变性的人却无法抵抗这种细菌，即使他们的肺部能产生正常数量的抗生素。
3
People with cystic fibrosis, however, are unable to fight off such bacteria, even though their lungs produce normal amounts of the antibiotic.