远程课程对常规课程已构成真正的挑战。
The online courses have constituted a real challenge to the regular courses.
这对我们目前的把财务报告和帐目印刷出来，以及生产这些文件的行业构成真正挑战。
She added: "This will pose a real challenge to our current concept of printed report and accounts, and the industry which goes into producing these well-presented documents."
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