You could upgrade to first class.
您可以升级到头等舱。
Would you like to upgrade to First Class?
您想升到头等舱吗？
Could I get a free upgrade to first class, please?
请问，我可以免费升等到头等舱吗？
Students can apply to upgrade to a higher level, but first-year students are not allowed to change class time or choose lecturers by their own.
大一新生仅能申请向上升级（如中级转高级），不能申请调换上课时段，或同级数更换授课老师。
Upgrade in such a case to first class is only allowed for SLC Leadership Team Member during short distance travel.
在此情况下，仅允许西门子（中国）有限公司的领导团队成员在短途旅行中升级为头等舱。
I would like to upgrade my airplane seat to first class.
我想把我在飞机上的座位调到头等舱。
I would like to upgrade my airplane seat to first class.
我想把我在飞机上的座位调到头等舱。
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