未经事先批准的出差费用将不予报销。
Reimbursement for expenses will not be considered unless the trip had prior approval.
老板训斥那个工头未经事先请示就擅自批准一个工人的病假。
The boss called the foreman on the carpet for granting sick leave to a worker without first asking for permission.
罗尔·尼克说，常常未经事先通知就拆除棚户区，不给予补偿就将住房充公。
Rolink says shantytowns often are erased without any warning and homes are confiscated without any compensation.
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