top priority

例句：

1. 1. The company's top priority is to improve its profitability.
   该公司的首要任务是提高盈利能力。
2. 2. Theteam decided to prioritize the completionof the project over other tasks.
   团队决定将完成项目的任务放在其他任务之前。
3. 3.The government has set a top priority onreducing carbon emissions.
   政府已将减少碳排放定为首要任务。