I can sort of understand their reservations over higher royalties at the moment, but nevertheless a contract that lasts for the duration of copyright is a hugely long time.
我能够理解他们对高版税有所保留，但是合同中的版权期限时间漫长。
2
Article 31 the copyright owner shall deliver the work to the publisher within the time limit specified in the contract.
第三十一条著作权人应当按照合同约定期限交付作品。
3
The software so modified may not, however, be provided to the third party without the license of the software copyright owner, unless otherwise stipulated in the contract.