She sold out all the stocks (shares), but then she realized too late that she had succeeded only in killing the golden goose.

她沽掉所有股票， 之后省悟到自己只是杀鸡取卵， 然为时已晚。

youdao

But when their standing fell and attendance also dropped, they realized too late that they had succeeded only in killing the golden goose.

当球队的名次下降，观众也减少时，他们才醒悟到自己不过是杀鸡取卵而已，但为时已晚。

youdao

O. is to buy a stable company with cash, and then hold onto it in perpetuity without killing the golden goose.

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In effect, it risks killing the goose that lays the golden egg.

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