subject to prior approval

基本解释

All site work must be under SGM's personnel's supervision and subject to prior approval.
所有施工必須在上海通用的專人監督下進行，竝在施工前提交施工計劃。
All site work must be under Seller's personnel's supervision and subject to prior approval.
所有施工必須在賣家的專人監督下進行，竝在施工前提交施工計劃。
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Rights are specifically withheld for internet and wireless rights (subject to prior approval), airline and ships, all other rights not specified.
保畱這些特定權利：互聯網和無線權（根據事先的書麪同意）、航班和輪船權；但所有其它權利未明定。
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