up leveling

• 高层次

up leveling的用法和样例：

例句

1. The Singapore government recently set up two high-level committees to handle this task.
   最近，新加坡政府成立了两个高层次的委员会来负责这项重任。
2. APEC is a regional forum set up in 1989 for high-level government-to-government dialogue and co-operation on trade and economic issues.
   亚太经合组织于一九八九年成立，目的是提供一个地区论坛，让各成员政府就经贸事宜展开高层次对话和合作。