In short, a dust-covered copy of War and Peace alone isn't going to influence anyone's grades; what counts is parents' education levels, as well as their genes.
简而言之，单单一本沾满灰尘的《战争与和平》不会影响任何人的成绩；更重要的是父母的教育水平，以及他们的基因。
"Maybe it will blow away the dust," he said hopefully. He added, "Well, maybe that's not so effective, but at least I feel better psychologically."
“也许这样可以吹走灰尘，”他满怀希望的说到，“唉，其实没用，但是至少心里面感觉踏实多了。”
In the well known Pleiades star cluster, starlight is slowly destroying this wandering cloud of gas and dust.
在著名的昴宿星团里，星光正缓慢地摧毁这些游荡的气体和尘埃的云团。
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