Boeing has committed another $450m in an existing joint venture focused on developing self-flying air taxis in the latest sign of investor appetite for the nascent industry that has seen dozens of start-ups attract billions of dollars over the past year.
波音(Boeing)已承諾向一家開發自動飛行的空中出租車的現有合資企業再投資4.5億美元。此舉是投資者對這一新興行業感興趣的最新跡象；過去一年里，該行業的數十家初創企業吸引了數十億美元。
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