Elise和Linda当然是亲戚——她们是表姐妹。

Of course Elise and Linda are ___related to each other – they’re cousins.

我们只是姻亲。

We're ___related by marriage only.

虽然他们是亲戚，但性格却大不相同。

Although they're ___related to each other, they have rather different characters.