The main bone of contention is the temperature level of the air-conditioners.

主要的争议点是空调温度。

That girl is their real bone of contention.

那个女孩是争论真正的原因。

Media freedoms have also been a bone of contention.

媒体自由也是一个争论的焦点。

Online booking is one particular bone of contention.

网上预订是一个主要争论焦点。

The real bone of contention, as you know, is money.

你知道，争论的真正焦点是钱的问题。