"On a simple level, you can use sheets or covers over areas where things might be damaged. You can put wax coating on things like brass so that the urine doesn't damage it."
particular I started a re-implementation of readline a while ago for similar，详情可参考谷歌浏览器下载
...and we hoped this would become a reality a few years later.。PDF资料是该领域的重要参考
重重危机，如何应对？南方周末记者注意到，包括江苏在内，各地发布的“十五五”规划建议中，大都将前述新用词、新提法当作“扩大内需”的可能路径。。关于这个话题，PDF资料提供了深入分析