The second form is preferable because it tests explicitly for the range of values you consider to be valid.

第二种形式比较好，因为它显式地检测了您认为有效的值的范围。

youdao

Shareholders are likely to consider these arrangements preferable to losing or diminishing the motivation of a high-performing chief executive.

FORBES: A New Era In Corporate Governance

"We consider this preferable not only for the institution but for the welfare of the individual student, as it prevents dropouts and disruption part way through a course, " he said.

BBC: Damien Shannon

"We consider this preferable not only for the institution but for the welfare of the individual student, as it prevents drop-outs and disruption part way through a course", a spokesman said.

BBC: Oxford University college sued by cash row student