“过渡”用英语怎么说？

“过渡”的拼音为：guò dù...

过去这一过渡过程常常很艰难。In the past this process of transition has often proven difficult.我们正逐渐过渡到完全使用公制。We are gradually changing over to a completely metric system.他再次呼吁加快向市场经济过渡。He again called for a faster changeover to a mark...