you pays your money and you takes your chances
There is no guarantee that you will get the result you want.
(optics, of a lens) Having surfaces with the same radius of curvature.
plural of white goat
(mathematics) A graph such that there exists one or more paths between pairs of vertices in each of two subsets of vertices
予測できないスタートアップに投資するなら、支払ったらあとは運次第だと覚えておいてください。
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DiQt
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