Today, there is a serious question about this issue: Should there be a minimum age limit for executing criminals?

如今，这种刑罚面临着一个重要的问题：处决罪犯是否应该有一个最低年龄限制？

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After she snapped a photo and started using her phone, he asked her a serious question, "Are you going to post that online?"

在她拍完一张照片并开始使用手机后，他问了她一个严肃的问题：“你会把这张照片发到网上吗？”

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This is a serious question.

这是一个严肃的问题。

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King Abdullah of Jordan had an optimistic appraisal -- followed by a serious question.

CNN: King: Crisis and controversy dominate Sunday talk

Whether or not to invest in software to print and tally receipts is a serious question.

FORBES: Investment Guide

She chose to consider this not as a taunt but as a serious question.

NEWYORKER: Free Radicals