Maybe that is because some disciplines are failing to communicate to outsiders what they do and why it matters. Or, difficult as it may be to accept, maybe it is not just a matter of communication: Perhaps some humanities disciplines really have become less relevant to the exciting and fast-changing world in which we live.
我不是很了解人文科学，不敢妄议学生注册率下降的原因。也许许多人文学科不太容易找工作，或者根本找不到工作。也许这是因为一些学科与外界沟通不充分，了解它们是干什么的、为什么重要的人太少。或者（也许这一解释更难令人接受），也许这根本不是沟通问题：也许一些人文学科确实变得与我们生活其中的令人振奋、快速变化的世界不太相关了。