Photograph: Simon Hill
贫困是顽疾，“顽”在成因复杂、难以根除、极易反复。
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AcceptQuestResponse AcceptQuest(BelfryInventoryId inventoryId, AcceptQuestRequest request);
The German firm supplies about three-quarters of the bone cement needed in the NHS. The product is used in more than 1,000 operations a week, mostly in knee replacements, but also in some hip and shoulder replacements.
Temperatures fell to freezing, food and water were rationed. It was days before they limped back to the fringes of Earth's atmosphere. They climbed back aboard the Odyssey and prayed the heat shield had not been damaged.