急性呼吸窘迫综合征（ARDS）患者动脉血氧分压/吸入氧浓度比值（PaO?/FiO?）及柏林评分对越南地区住院预后的预测能力有限 ...

With over four years of experience writing in the housing market space, Robin Rothstein demystifies mortgage and loan concepts, helping first-time homebuyers and homeowners make informed decisions as ...

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In technical terms, leverage is the ratio between the amount of money you have in your account and the total size of positions the broker allows you to take. You’re using leverage every time you enter ...

Cost basis is the original purchase price of an asset. Tracking cost basis is key to tax-efficient investing. Many, or all, of the products featured on this page are from our advertising partners who ...

Elysse Bell is a finance and business writer for Investopedia. She writes about small business, personal finance, technology, and more. Erika Rasure is globally-recognized as a leading consumer ...