任何飞行员不得在接受适任持证特技飞行教官的培训之前，尝试飞这些动作。
Further, no pilot should attempt these figures without training from a competent aerobatic instructor.
我们聘请国家礼宾车队的教官对所有司机进行专项培训，让您享受到国宾级待遇。
We employ teams of instructors National Protocol for all drivers to carry out special training, allows you to enjoy the Ambassador-class treatment.
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