At a connection handshake, SSL utilizes public key algorithms and digital certificates to establish trust between parties that haven't met before and exchange private keys for the current session.

在连接握手时，SSL利用公钥算法和数字证书在素不相识的各方之间建立信任并交换当前会话的私钥。

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The server receives the encrypted exchange key and decrypts it with its private key.

服务器接接收加密交换密匙并使用其私有密匙进行解密。

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BBH is a foreign-exchange dealer but only because this dovetails with private banking.

BBH是一家兑换外币的交易商，仅仅是因为这和私营银行相吻合。

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The Securities and Exchange Commission says a private company must report financial information if it has five hundred shareholders or more.

VOA: special.2011.01.07

Now is the time to deliver on health care." The president said reform proposals which he estimates would cost would provide security and stability to the insured, and make it possible for tens of millions of Americans who are not to get affordable insurance through a proposed exchange system in which private companies would compete.

VOA: standard.2009.09.10

Once the company sold its stake in Mosaic, officials at the nonprofits were able to exchange the private Cargill stock for public Mosaic stock.

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However, like other Facebook shareholders, they cannot sell until 2013- not even on private exchange markets.

FORBES: Goldman Sachs Ends Facebook Share Offering

Last week, the Securities and Exchange Commission ordered private companies to publish estimates of the climate-related risks they face.

ECONOMIST: Maria Cantwell and the politics of global warming