1. They said the present system of military conscription should be phased out. 他们说现行的征兵体系应该逐步淘汰。
2. In an article published in the journal Science, four scholars say racial categories need to be phased out. 调整语序、用词:在《科学》杂志上发表的一篇文章中,四位学者表示,种族的划分需要被逐步淘汰。
3. The new tax will be phased in over two years. 新税种将在两年内逐步实行。
4. The reforms would be phased in over three years. 改革将在3年内逐步实施。
5. Subsidies to farmers will be phased out by next year. 对农民的补贴将在明年之前逐步废除。