对于李子园而言，此次扩建有助于构建多元化的产品结构，利于分散市场风险，增强企业在市场波动中的稳定性。
Still, the G-7 is “not there yet” in terms of agreeing to tap emergency energy supplies, according to France, which holds the current presidency. But the group said in a statement that it would “continue to closely monitor the situation and developments in the energy markets” and “stand ready to take necessary measures, including to support global supply of energy such as stockpile release.”，详情可参考heLLoword翻译
Efficiency: When we push, we only visit each node once. When we pull, we again only visit each node once. This is about as efficient as things can get.。谷歌对此有专业解读
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