unsure
(mathematics, of two sets) Orthonormal and having elements that are each orthogonal to all but exactly one element in the other set.
A Rorschach test
(idiomatic) An initiating cause of a chain of events which leads to an outcome or effect of interest.
uncertain / unstable or precarious
その仕事のオファーを受けるかどうか決めかねているので、よく考えたい。
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DiQt
Free
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