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so to speak; so to call it; as it were
彼女はいわば私たちのリーダー的存在だ。
She is, so to speak, our leader figure.
この技術はいわば革命的な発明である。
This technology is, as it were, a revolutionary invention.
都会はいわば人が集まる巨大な市場だ。
A city is, so to speak, a giant market where people gather.