1. phase out 逐步淘汰
In Brandenburg voters threaten to phase out lignite mining.
在勃兰登堡,投票者威胁说要关停淘汰褐煤矿区
。2. account for 对...负责;占比
The social services account for a substantial part of public spending.
社会福利事业占了一大部分的公共支出
。3. step down 辞职;下台
The manager had to step down on account of poor health.
那位经理由于身体不好,只能辞职不干
。4. pull out of 退出
The World Bank should pull out of the project.
世界银行应该退出这个项目
。