What they do is legal and can improve liquidity in share transactions.

他们的行为不仅是合法的，并且有益于促进股票交易的流动性。

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Trading is largely electronic, so it could be deducted at source, and the UK already imposes a small stamp duty on share transactions.

交易形式主要是电子交易，因此可以直接在交易资金中扣除，而英国早已实行对股票交易征收小额印花税。

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All share transactions and mortgage of shares are subject to the consent from the Board.

所有股票的交易和抵押股份须经董事会同意。

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EBay's Rajiv Dutta insists that the share of problem transactions on his company's site is very low.

ECONOMIST: Unlimited opportunities?

Facebook takes a 30 percent share of revenue for transactions on non-gambling games on its service, such as when users purchase virtual tractors and seeds in Zynga's popular Farmville game.

MSN: Facebook launches real-money gambling in Britain

Earlier this year, two other AOL Time Warner shareholders - the University of California and the Amalgamated Bank's Long View Collective Investment Fund - alleged in a lawsuit that some of the firm's top executives boosted its share price through bogus transactions.

BBC: AOL.com