change from one system to another or to a new plan or policy
例句
用作名词 (n.)
The change-over to organic is arguably tougher in America, a chemical-loving country where 80% of the cotton crop comes from GM seeds; globally, only about 20% of cotton comes from such seeds. 不可辩驳的是在美国，这种转变更难。 那个热爱化学物质的国家，80％的棉花作物来自于转基因种子，而全球相应的比例只有20％。
美
[t'ʃeɪndʒ'əʊvər]
