But,many of the harmful effects of smoking ARE reversible.
VOA: special.2010.03.09
"Logos He goes on. "But logos," he writes, " "serves to reveal the advantageous and the harmful.
也继续写到,主要是为展露出利害关系。
And also, it's useful because harmful stimuli are noticed but when something has shown itself to be part of the environment you don't notice it anymore.
而且它还是非常有用的,因为危险刺激会吸引到你的注意,但当某物被视为环境的一部分时,你便不会再去注意到该物体。
But too much stress can be harmful.
VOA: special.2009.03.24
But some doctors say the CT scan exposes patients unnecessarily to harmful radiation, as much radiation as a patient might receive from 400 chest x-rays.
VOA: standard.2010.04.07
Iron is a vital nutrient, but too much iron can be harmful.
VOA: standard.2010.08.05
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