孤軍奮闘したけれど、衆寡敵せず、彼のビジネスプランは受け入れられなかったよ。
tbd
He put up a brave and lone struggle, but up against such heavy odds he couldn't get his business plan accepted.
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受け入れる， 受入れる， 受け容れる， 受けいれる， 受容れる， うけいれる
1. to accept, to receive, to agree
接受，接收，同意
する， 為る
1. to do, to carry out, to perform
2. to cause to become, to make (into), to turn (into)
3. to serve as, to act as, to work as
4. to wear (clothes, a facial expression, etc.)
5. to judge as being, to view as being, to think of as, to treat as, to use...
做，作，干，执行
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调