The removal of dams remains controversial because of high restoration costs, loss of low-cost electricity, and the loss of water storage facilities.

大坝的拆除仍然存在争议，因为高重建成本，损失低成本电力，以及损失蓄水设施。

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Right now, the notion that conventional computers and software are fundamentally incapable of matching the processes that take place in the brain remains controversial.

目前，传统计算机和软件根本无法匹配大脑中发生的过程的观点仍然存在争议。

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His argument remains controversial.

他的论点仍存争议。

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At the same time, use of that data remains controversial, especially among consumers and consumer advocates.

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But 35 years later, the assisted reproduction industry that his work helped launch in the US remains controversial.

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Arnold Palmer's victory in 1958 remains controversial because of a drop he took when his ball became plugged.

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