Let us call whatever it is that is referred to with definite reference by mass expressions in this way 'pluralities' (Laycock and Burke do not use the phrase, and Laycock would probably find it at best infelicitous, and at worst a grave source of metaphysical error).
A recent Conservative party report claimed that under President Xi "very serious threats to Hong Kong's freedoms have emerged as a source of grave concern".
For the Israelis, occupation has been, as Gorenberg describes, a grave security hazard and source of moral corrosion.
"The incidents described in that report are a source of grave concern and reflect behavior that cannot be allowed to recur," Mr. Cohen said.
On his 85th birthday, he remarked that he had been "overestimated," though, he added, "I will not pretend that this has been a source of grave distress".
The spread of Islamist control in southern Yemen has been a deep embarrassment to the Yemeni government and a source of grave concern to the United States and Saudi Arabia, the two chief targets of the local Qaeda affiliate.
If we believe that having a child implies making a commitment that persists independent of the existence of preferred attributes, designer children should be a source of grave concern.
But with Mr. Milosevic's ouster and the election of Vojislav Kostunica as Yugoslav president and of his democratic coalition as the new government of Serbia, the insurgent force has become a source of grave concern to both the peacekeepers and to the new Belgrade leadership.
These have been the source of grave problems in computer security, such as the 2011 attack by the Chinese government on the Gmail accounts of suspected dissident activists was executed by exploiting lawful interception; so was the NSA's wiretapping of the Greek government during the 2004 Olympic bidding process.
If successful, this approach would offer a way to accommodate diverse communities and undermine what has been a source of grave conflict in the past.
