有必要使讨论的焦点更加集中。

There is a need to sharpen the focus of the discussion.

《牛津词典》

但是现在本机内存的问题又重新成为了讨论的焦点(参见参考资料)。

However, the issue of native memory has been creeping back into the spotlight (see Resources).

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关于设计师的身份和婚纱是细节一直大家讨论的焦点，但是还是会保密到最后一刻。

The identity of the designer, and the details of the dress, have been the source of much debate and remain a closely held secret.

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