孔 ,小小的洞也 ,在许多场合都是被忽略不计的 ,但在许多场合却又是忽略不得的。千里长路 ,谁都不会很在意小小的孔洞 ,但千里长堤 ,谁又敢不在意小小的孔洞 ?堤不能有孔洞 ,墙也不能有孔洞 ,门更不能有孔洞 ,针尖大的窟窿 ,斗大的风。可有人偏偏要在门上开个孔 ,还美其名为观 Holes and tiny holes are also neglected on many occasions, but on many occasions they are negligible. Trinidad and Tobago, no one cares little holes, but thousands of miles long ditch, who dare not care about small holes? Dike can not have holes, the walls can not have holes, the door can not have holes, sharp needle Hole, bucket big wind. Can anyone choose to open a hole in the door, but also the United States its name for the concept