There are already many devices on the market that claim to monitor and aid sleep.
市场上已经出现很多设备,据说这些设备可以监测和帮助睡眠。
2
They claim to have a 40% worldwide market share.
他们声称占有全球40%的市场。
《牛津词典》
3
Whether Apple decides to act as kingmaker in the e-book market, or claim the crown itself, the next chapter in the e-book saga is sure to be a page-turner.