Aid, by contrast, is about standing on gear placements and engineering your way up steep or overhanging blank walls like El Cap, which can take days to ascend.

WSJ: Training for the Big Wall | By Michael J. Ybarra

An aid pitch, by contrast, could easily take a couple of hours.

WSJ: Training for the Big Wall | By Michael J. Ybarra

In contrast, to numerous coups d'etat, an aid embargo, and the last two years of instability under the interim government, Preval's political campaign called Hope in Creole, inspired many poor Haitians, who want a future of change, but Michele says Preval also inspired the wealthy, who want a future of investments.

NPR: Speculation Builds on how Haiti's Preval Will Rule

By contrast, Microsoft Kinect reads a player's body movements without the aid of remotes, using a technology developed by Microsoft Research.

CNN: Microsoft Kinect to hit stores November 4

Using contrast based AF, the D3100 automatically focuses on subjects when Live View is activated to aid shooting when using the LCD.

ENGADGET: Nikon D3100 gets real, adds 1080p movie mode with continuous autofocus

By contrast, Mr Cameron has already pledged to ring-fence the education, health and international aid budgets.

BBC: What can the UK learn from Canada's budget cuts?