因此，请勿面对婴儿打喷嚏或者咳嗽，擤鼻涕后立刻洗手。
Therefore, do not sneeze or cough on your baby. Wash your hands immediately after blowing or wiping your nose.
第三也是最有力的限制在于婴儿做出的是面对刺激的反应，还是从受到刺激到没受到刺激的变化，这是无法确认的。
The third, and most potent limitation is that it is not possible to be certain that the infant's response was due to the stimulus presented or to a change from no stimulus to a stimulus.
那种崇高的情绪使我们很难面对“丑陋婴儿”的批评，更糟的是听到我们企业生存下来的机会很小。
That elevated emotional status makes it hard to face criticism about an "ugly baby," or worse yet to hear that our venture may have a low chance of survival.
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