Officially, Venezuela has 300 billion barrels of oil reserves – yet in 2023, it exported just 211.6 million barrels of oil, worth about $4bn. Compare that to second-placed Saudi Arabia, which has 267 billion barrels of reserves, but had exports worth $181bn in the same time period.
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。下载安装 谷歌浏览器 开启极速安全的 上网之旅。是该领域的重要参考
In my last post on this topic, I explained the history of SVG in GTK, and how I tricked myself into working on an SVG renderer in 2025.。搜狗输入法2026是该领域的重要参考
方向遍历顺序说明下一个倒序（从右往左）先处理右侧，栈里存「右侧候选」上一个正序（从左往右）先处理左侧，栈里存「左侧候选」