The free version comes with 4 profiles (Battery powered, low battery, A/C powered, USB powered), while the 99 cent pro version allows you to build you own.

免费版本内置4种配置文件（外接电源供电，USB供电，电池供电，电池电量低），而99美分的付费版本则允许用户自定义配置文件。

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It might therefore come as a surprise to learn that vitamin c, a well-known antioxidant, has a "pro-oxidant" alter ego that can benefit arteries by increasing the production of ROS.

因此，我们也许会感到意外，维生素c这个广为人知的抗氧化剂竟有“助氧化剂(Pro - oxidant)”一面，它可以通过增加活性氧的生成让动脉受惠。

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HI-TECH's PRO compiler automatically preserves all the relationships between the object code and the original C-code, enabling the quick and simple debugging of optimized code.

HI - TECH PRO编译器能够自动保存对象代码和原始c代码之间的所有关系，从而实现对最优化代码快速且简单的调试。

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K.C.McAlpin is executive director of a national nonprofit group called Pro-English.

VOA: special.2010.06.17

It's a pretty sketchy rumor, but we're hearing that Canon's working on a pro video camera based on a 12.1 megapixel APS-C CMOS sensor similar to the one in the Rebel XSi.

ENGADGET: Canon working on DSLR-based pro video camera?

That would also include the pro-Saudi Middle East Institute, whose "adjunct scholar" is one Joseph C Wilson IV.

CENTERFORSECURITYPOLICY: Left-hand/right-hand disconnect spells CAIR-lessness

It's more compact than the 5D and even the 7D, an APS-C camera, weighing in at 690 grams -- a 20-percent decrease from that larger pro model. 20 percent may not sound like a tremendous improvement, but it's certainly noticeable, boosting the 6D's versatility, and making it an ideal choice for street and travel photography.

ENGADGET: Canon EOS 6D full-frame DSLR hands-on (video) Hands-on