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。

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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。

youdao

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。

youdao