实际使用时间 meaning in Chinese

time used

Unfolds can carry on has the force majeure to cause this contract to be unable to fulfill , this contract must relieve , has paid to rent the expense expense to have ( date ) like to have the remaining sum according to the actual period of revolution after the solid settlement to return without the rest for the second party , both sides does not undertake opposite party loss compensation
5展会进行中发生不可抗力致使本合同无法履行，本合同应当解除，已交付的租赁费用费用应当按实际使用时间（日）按实结算后如有余额的则无息返还给乙方，双方均不承担对方的损失赔偿。