The core issue of Geometric Mosaic is image correction.

几何拼接的核心问题是影像校正。

youdao

The core issue was that these issues were not being communicated to business stakeholders.

核心问题在于，这些问题没有传达到业务涉众那里。

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In all the letters I get from women, the core issue is an inability to connect and a lack of self-worth.

从收到的诸多的女士来信，我发现问题的关键是欠缺沟通交往能力，没有自尊心。

youdao

"Unless we solve the core issue of the Israeli-Palestinian, Israeli-Arab challenges then we will always be an area of instability that costs all of us,".

VOA: standard.2009.04.26

Clinton says preventing the exploitation and marginalization of girls is no longer an afterthought but a core foreign policy objective of the United States, which is co-sponsoring a Security Council resolution on the issue next week.

VOA: standard.2009.09.25

The quantity and quality of the food we eat, although significant, is not the core issue.

BBC: Americans are getting fatter faster than ever before.

"It's a basic, core issue of standards for working people, " said Mr. Rhomberg, who studies labor markets.

WSJ: Christie Vetoes Bill to Raise Minimum Pay

The core issue is that the Cyprian banking system, in fact the whole Eurozone banking system was and is an accident waiting to happen.

FORBES: Cyprus, Anything But Unique and Why to Worry