“过渡”造句

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 market economy.