Yes, they must have done. After all, if they'd used a professional advertising agency to produce their brochure instead of doing it in-house, presumably they'd have paid a lot more?

对，肯定的。毕竟如果他们请了一家专业的广告公司来制作宣传册，而不是自己在公司里做的话，可能就要多花很多钱了。