Adjusting public perceptions to suit a far less lethal virus has been problematic.
调整公众对远没有那么致命病毒的看法一直是个问题。
However, code reuse across process boundaries has been much more problematic.
然而,跨过程边界的代码重用有更多的问题。
The second part of the arrangement, however, has been more problematic.
然而该计划的第二部分却有很多问题。
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