stack.push(cur);
盛屯系此前主业集中于铜、钴、镍、锌等有色金属，黄金虽是资源品类的自然延伸，但矿山开发、运营管理与原有业务存在差异。Adumbi金矿远在非洲刚果（金），当地基础设施、政策环境、社区关系等不确定性因素众多，项目建设能否如期推进、成本能否控制在预期范围内，都考验着姚雄杰的海外运营能力。
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Older power stations have simply placed a grill across the inlet pipes, filtering out fish, which are killed in the process.
The Ranger Road Fire in the Oklahoma Panhandle has burned approximately 15,000 acres.