1990年，在《滴水穿石的启示》一文中，习近平同志这样写道：
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（二）在车辆、行人通行的地方施工，对沟井坎穴不设覆盖物、防围和警示标志的，或者故意损毁、移动覆盖物、防围和警示标志的；
Northern Ireland's largest provider of natural gas, SSE Airtricity, is to cut its prices by 8.10% from 1 April for its 215,000 domestic and small business customers.