The state of the art of digital pianos is based on sampling technology. Each note is a recording of how it sounded at a specific moment, without taking into account the complexity of the instrument.

数码钢琴艺术的现状是基于采样技术，录制下每个音符在一段时间内的发声，丝毫没有考虑到乐器本身的复杂性。

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Such beautiful and auspicious tunes help to account for the popularity of this instrument.

它的广泛流传，更得益于那如此美妙、吉祥的曲名。

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Bill of lading and commercial instrument are two different types of commercial documents on account of the different rights and contents they represent.

提单和票据是两类不同的商业文件，它们各自所代表的权利内容有所不同。

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Over-payment fraud, the victim receives an invalid monetary instrument with instructions to deposit it in a bank account and send excess funds or a percentage of the deposited money back to the sender.

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But if you have money in the safe instrument, a U.S. treasury bill or an FDIC - an FDIC-insured bank account, you're getting a very, very low return now.

NPR: Listeners' Money Questions Answered