在现行的国际贸易体系中，若想参与全球贸易，就必须持有美元。当各国在贸易往来中不断积累起美元储备之后，最安全、最具流动性的存放方式，通常就是购买美国国债。
1,000+ founders and investors come together at TechCrunch Founder Summit 2026 for a full day focused on growth, execution, and real-world scaling. Learn from founders and investors who have shaped the industry. Connect with peers navigating similar growth stages. Walk away with tactics you can apply immediately.。下载安装汽水音乐对此有专业解读
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