常有

• Large and flawless crystals are not common, as you may possibly know .
  你大概知道，无瑕的巨大水晶石是不常有的。
• Indian surgeons are best known for their great skill in plastic surgery .
  印度外科医生的整形外科技巧是非常有名的。
• There were a couple of trunks indeed, such as a rational man might need .
  其中包括两只皮箱，不错，这是一般人所常有的。
• Diarrhea may occur around the impaction and often with fecal incontinence .
  在粪块嵌塞期间可发生腹泻，并常有大便失禁。
• Pain on inspiration is often found in patients with acute cholecystitis .
  吸气时疼痛是患有急性胆囊炎的人身上常有的现象。
• He was very popular, a distinguished fashion figure as well as financier .
  他是非常有声望的，一位杰出的时髦人物和金融家。
• Microtubules often have a halo around the outside which is only slightly stained .
  围绕着微管的外周，常有一层仅能着色很浅的晕圈。
• It must be remembered that the use of x-rays in medical practice is of great value .
  在医疗上使用X线是非常有价值的，这一点不能忽视。
• Electrical energy is so useful because it is readily converted into other kinds
  电能是非常有用的，因为它可以很容易地转换成其他能量形式。
• There's a burning fever here, and something now and then to which i fear to give a name .
  这里在发烧，我常有一种感觉，但不敢给它定个名堂。