sign up for free 免费注册
I also recommend you sign up for his free Humor Power Tips Ezine.
我也推荐你订阅他的免费《幽默能量技巧电子杂志》。
The concept is simple: users sign up for free, linking a credit or debit card to their account.
这项服务的理念很简单：用户免费注册后，将一张信用卡或借记卡与账户挂钩。
You can sign up for a free Individual account, or a fee-based Commercial account, depending on your needs.
根据您的需要，您可以注册免费的个人帐户，或付费的商业帐户。
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