从明年开始，美国所有的储蓄国债都将是电子式的而不是纸质印刷式的，所以美国国债除了无价值、无用处、无是处之外，还将无纸化。
Starting next year, all U.S. savings bonds will be electronic rather than printed. So they'll be paperless, as well as valueless, useless, and worthless.
强烈的自责、内疚、无用感、无价值感、无助感，严重时可出现自罪、疑病观念。
Intense remorse, guilt, worthlessness, worthlessness, helplessness, arise from sin, hypochondria can be serious.
向量是无用的幸存物或四元数的无价值的支流。
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