1. Economy is one powerful motive for campinge after the initial outlay upon the equipment.
    在开初支付了装备的费用后, 想省钱是露营的一个主要动机。

2. His initial reaction was one of shock.
    他最初的反应是震惊。

3. Since after the initial outlay upon equipment, or through hiring it,
    因为除了开始时购置或是租借一套露营装备外，