Examples:

• The crux of the matter is whether we have enough funding for the project.
• At the meeting, she got straight to the crux of the matter.
• The crux of the matter lies in their inability to communicate effectively.
• He always avoids addressing the crux of the matter.
• After hours of discussion, we finally reached the crux of the matter.
• The crux of the matter is that the deadline is unrealistic.
• To solve this problem, we need to focus on the crux of the matter.
• The lawyer summarized the crux of the matter in his closing statement.
• The debate centered around the crux of the matter: policy changes.
• She missed the crux of the matter in her explanation.
• The crux of the matter is the lack of trust between the parties.
• We can't ignore the crux of the matter if we want to find a solution.
• He finally understood the crux of the matter after reading the report.
• Let's not get distracted; the crux of the matter is our main concern.
• The crux of the matter is that we need to increase our sales to stay afloat.