Overall, barter is a very inefficient means of organizing transactions.总之，易货贸易是一种效率很低的交易形式。The market-place and street were crowded with those who'd come to barter.市场和街道上挤满了前来做物物交换的人。Chickens, goats and rabbits were...
How do some people manage to laugh off their misfortunes?有些人对自己遭到的不幸一笑置之,他们是怎样做到这一点的 呢 ?He burst into a high-pitched laugh, as though he'd said something funny.他突然放声大笑，好像讲了什么好笑的事似的。She discovered to her pleasure, a ...
Results: Most of the ADRs in adjuvant treatment were reversible.结果: 辅助治疗的主要不良反应是可逆的.This can be improved by the addition of an adjuvant.这可以从增效剂上加以改进.Unfortunately, this adjuvant cannot be used in humans because it causes...