Be wary of websites or email addresses that you don't recognise and always look out for the security icon (a locked padlock or unbroken key symbol) in the bottom of your browser window.

提防不认识的网站或电子邮件地址，永远留神浏览器底下的安全图标(一把锁上的锁或完整的钥匙符号)。

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The user enters a stock symbol and clicks Submit, causing the browser to dispay the page shown in Figure 14.

用户输入股票代号，并单击 Submit，浏览器就会显示 图 14 中所示的页面。

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Object Browser displays the related symbol, and this symbol is added to the history list.

“对象浏览器”显示相关的符号，并且此符号添加到历史记录列表中。

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Check the lower left-hand corner of your browser for the symbol of an unbroken lock or key.

BBC: Is e-shopping safe?

This may be conceptually sensible, but this button has a circular arrow symbol reminiscent of the "Back" button on a Web browser.

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