The law itself was unclear on that point ; the reason for their actions is unclear to this day .

在那 一 点上这条法律本身就是 不 清楚的；他们行为的原因至今仍不清楚。

A number of hedge funds are expected to be big beneficiaries but it is still unclear who the big winners are at this point .

一些对冲基金预计将成为大的受益者，但目前还 不 清楚谁是这个 节点上最大的赢家。

Although it is unclear how much of the increase was caused by air pollution Dr Shin did point out that there is already a wealth of evidence linking high levels of pollutants to increased rates of cardiovascular and lung disease .

虽然目前还 不 清楚这一增加在多大程度上是由空气污染引起的，但 申英秀博士指出，已经有大量证据显示，高浓度的污染物与心血管和肺部疾病发病率的增加存在关联。

The documentation is unclear on this point but it appears that you can set the scheduler on a block-by-block basis .

文档在 这点上描述的并不是 十分 清楚，但似乎你可以每个块为基础设置调度器。