The only downside to this option is that your tweeting profile lacks the infrastructure to expand on your business information and history, so it's limited as a professional tool.

这个选择的唯一的缺点就是，你的推特页面缺少对商务信息和历史记录进行扩展的基础架构，因此作为一个专业的工具使用还有局限性。

youdao

We have always focused on the design, improvement, production and marketing of professional tool bags.

双祥鹤一直致力于专业工具袋的设计、开发生产与销售。

youdao

An advanced, professional tool (sniffer) for analyzing, debugging, maintaining and monitoring local networks and Internet connections.

一个先进的，专业的工具(嗅探器)，用于分析，调试，维护和监控本地网络和互联网连接。

youdao

The developer cautions that this is a professional tool, though it is available to anyone.

FORBES: How Much Prison Time? - There's an App For That

In Europe, professional tool sales also grew double digits.

FORBES: New Hong Kong Billionaire Horst Pudwill Emerges As U.S. Housing Recovery Boosts Power Equipment Exports

"Lightroom is the essential tool for busy professional and discerning amateur photographers, who are uncompromising in the pursuit for image quality or searching for artistic expression, " said Winston Hendrickson, vice president of digital imaging products, Adobe.

ENGADGET: Adobe Photoshop Lightroom 5 hits public beta, adds Smart Previews and Advanced Healing Brush