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beyond question 毫无疑问 by accident 偶然 by air 通过航空途径 by all means 务必，尽一切办法 by chance 意外地，碰巧 by far ------的多，最----- by hand 用手，手工的 by itself 独自的，单独的 by means of 依靠，借助于 by mistake 错误地，无意中做了错事 by no means 决不，并没有 by oneself 独自的，单独的 by reason of 由于，因为 by the way 顺便地 by way of 经过，以-----样的方式 |
