For common tasks, such as checking E-mail and shopping online, they are good enough.
对于查收邮件和网上购物等普通任务来说，上网本足够好了。
All the E-mail addresses of known, good, sources, such as client and suppliers.
所有已知的、正确来源的电子邮件地址，如客户端和供应商。
Helen is Lucy's good friend. She must know Lucy's E-mail.
海伦是露茜的好朋友。她肯定知道露茜的电子邮件。
A good free E-mail service that provides this is Gmail.
Gmail提供一个很棒的免费电邮服务。
A good free E-mail service that provides this is Gmail.
Gmail提供一个很棒的免费电邮服务。
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