Sentence examples for but we cannot know how from inspiring English sources
His performance may be highly realistic, but we cannot know how close it is to what really happened.
But that doesn't help solve this problem because we cannot know how much preparation went into Renaissance works.
We cannot know how these people faired but if one assumes no benefit, then the overall reliable recovery rate is significantly lower for pure self-help than guided self-help.
We cannot know how often this happened, but it is encouraging that the incidence of rectal bleeding reports in the original study matched previous reports almost exactly (Hamilton et al, 2005).
Given the lack of surviving objects, we cannot know how common the techniques employed were, but the quality of the execution suggests that the binder was experienced in them.
David Cameron mocked as "pathetic" the number of pupils doing competitive sport at state schools under Labour, but Gove also cut the requirement for schools to document it, so now we cannot know how many take part under the Tories.
And because we cannot know how many migrants are coming, we cannot plan.
We cannot know how many species we live with until we have solid definitions and systems for identifying them.
As Kaplan points out, we cannot know how he would have reacted to the final years of the war, or to the independence that followed.
He also noted that a device intended to record all conversations in the control room was not turned on: "So we cannot know how much influence the cull operative had".
While we cannot know how long it will remain at present levels, it has already set in train a string of economic benefits, including a boost to living standards throughout the developed world, and in most of the emerging world too.
