(MacaoSAR 25) Explainer: Q&A on China's "one country, two systems" policy

MACAO, Dec. 18 (Xinhua) -- As China prepares to mark the 25th anniversary of Macao's return to the motherland this week, the city stands as a testament to the success of the "one country, two systems" policy.

Macao and its neighbor Hong Kong are China's two special administrative regions (SARs) governed under this policy since the Chinese government resumed its exercise of sovereignty over them following long pe