没有证据啊。
也可能是正规公司。
24小时内可以取消服务的:
Cancellations & Refunds - All cancellations are carried out within 24 hours. However we need 5 clear full working days notice before the test to enable a cancellation of the booking without forfitting the full amount. Resceduling is free of charge however cancellation without our fault will be charged upto $20 administration fee depending on the nature of the cancellation. If the Test date has been booked the contract has begun with the consumer’s agreement before the end of the cancellation period applicable under regulation 12 of The Consumer Protection (Distance Selling) Regulations 2000 therefore the cancellation fee applies. A $20 administration fee is payable on all our services in the event of any cancellation or refund given
20$ 是没了。