The phrase "a time when existing" is not correct and lacks clarity in written English.
It may be intended to refer to a specific period during which something is currently happening or has been happening, but it needs more context to be meaningful.
Example: "We need to reflect on a time when existing challenges were addressed effectively."
Alternatives: "a period of existence" or "an era of being".
At a time when existing multilateral development banks are having a difficult time justifying their existence based on their original purpose (i.e. to fight poverty and promote development), given the significant growth of the middle class globally and the 'rise of the rest,' how can a new development bank be justified at this time?
This shift raises delicate issues at a time when existing savers are fed up with fees, and income inequality has become a hot-button issue.
The companies they own spend our parents' retirement savings in the search for new fossil fuels – at a time when existing reserves are already sufficient to lock us into potentially 5°C of global warming.
It's a noble sentiment, but how morally responsible is it to pursue the largest entitlement expansion in American history at a time when existing programs threaten to drown our budget?
For co-founder Gareth Cooper, the man behind annual Alpine wingding Snowbombing, the plaudits came as a big relief – launching a new festival at a time when existing events were downsizing or closing altogether represented a considerable risk.
The American surfing community took to social media to pay tribute to Gordon, whose polyurethane boards are credited with helping to popularise the sport at a time when existing wooden boards were heavy and hard to handle.
Addressing this issue will also provide clues as to whether it is fair to compare health inequalities over time when existing boundaries are changed within a country (such as during Local Government reorganisation in Great Britain 1995-1998).
"The duty to provide careers guidance was placed on schools at a time when most existing infrastructure and funding for such provision had been removed".
For many growing businesses, there comes a time when their existing office space no longer suits their needs and they need to move to a new one.
At a time when the existing programmes to promote monoculture in the name of forests have generated wide-scale ecological and social hazards, this agenda will always seen with suspicion by the activists.
"Moreover, banks may shun the program for fear of being stigmatized by its association with the TARP, or they may wish to avoid taking on...liabilities at a time when their existing assets, such as commercial real estate, remain in jeopardy".
