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.
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。
A useless or worthless byproduct, as from a manufacturing process.
废品生产过程中等产生的无用或无价值之副产品。
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