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title: 19年で1000億円近く投資も｢ことごとく失敗｣…看板誌『学習 ...
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# 19年で1000億円近く投資も｢ことごとく失敗｣…看板誌『学習 ...

## TL;DR
（要約なし・原文はリンク先を参照 / No summary available; see the source link.）

## Key Points
- science / toyokeizai.net

## Details
(本文なし。リンク先参照)

## Source
元記事: [19年で1000億円近く投資も｢ことごとく失敗｣…看板誌『学習 ...](https://toyokeizai.net/articles/-/953942?display=b) — published 2026-08-12T08:00:00Z