Too often I have seen unsophisticated investors put their large nest egg into one deal and lose most of it rapidly. they may have been good workers but they were not good investors.

我见到过太多的不老练的投资者将自己大量的资本投入一项交易，然后很快损失掉其中的大部分，他们可能是好的职员却不是好的投资者。

youdao

The regulators behind the Basel rules have tended to think a leverage ratio is too unsophisticated.

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Too far away or too unsophisticated, most will either buy a new machine, even when an old one would do, or buy from a reseller at a big mark-up.

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Borrowers get too easy a ride: not all of them were unsophisticated types, duped by commission-obsessed brokers.

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