主要的症结是税收问题。

The main sticking point was the question of taxes.

问题的症结是钱，或者说是缺钱。

In the end, what it all boils down to is money, or the lack of it.

他说该问题的症结在于经济政策。

He said the crux of the matter was economic policy.

现在既已找出问题的症结，即可采取适当行动。

Now that the problem has been identified, appropriate action can be taken.

症结在于我们今年担负不起出国的费用。

The crunch is that we can't afford to go abroad this year.