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。

youdao

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》

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.

苹果是决定扮演阅读器市场主宰者的拥护者，还是自己称霸，在下一章电子书的故事中就要见分晓。

youdao

But no one has the answer to how much market share Bing will claim from Yahoo or Google in the long term.

VOA: special.2009.07.17

Firms that do that are, in practice, however, the minority and most mutual funds have some gimmick or some special-- they claim to be beating the market not forming the optimal portfolio.

然而实际上,这么做的公司很少,大部分共同基金都会耍些花招,或有一些特别的...,他们强调他们的收益率将强于市场平均水平,而非建立最佳投资组合

耶鲁公开课 - 金融市场课程节选

Many toothpastes on the market claim to have 'whitening' properties - meaning that they may remove stains, rather than change the natural colour of the teeth.

BBC: Whitening toothpastes 'don't work'

But I am adamant that we should not provide incentives for U.S. companies to produce products abroad that they turn around and sell in the U.S. market then claim the profits offshore.

FORBES: Can Obama Revive Manufacturing in America?

Buyers of securities on the open market can't claim a theft loss "even if the market values of the securities were inflated by insiders' fraud, " it flatly asserts.

FORBES: Insult to Injury