Seniorities
年长( seniority的名词复数 )；职位高；年资；资历
🗣️ 情景例句
Building a nuclear power plant now would not be doing the environment any favors.
建核电站对于环境没有什么好处。
I'll have studied English for four years next March.
到明年三月，我就学了四年的英语了。[将来完成时，表示将完成…，会做完…]
Why not?
为什么？