我们的社区从经济上受益于艺术。
地方和国家政府面临的挑战是管理旅游业，使社区能够在经济上受益，同时确保所有人都能享受到旅游区。
The challenge for local and national governments is to manage tourism so that communities can benefit economically, and yet at the same time, make sure that the tourist areas are kept for all to enjoy.
通过室内实验和现场施工，得到主要结论：这一修复方案是技术上可行、经济上受益显著的。
The experiment in lab and the implementation in worksite show that this casing repair technology is available in science and profitable in economy.
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