饮食和心脏病之间有直接联系。

There's a direct ___link between diet and heart disease.

他们与英国的联系仍然紧密。

Their ___links with Britain are still strong.

这两个地点之间有直接的公交连接：这是六路公交车。

There is a direct bus ___link between the two locations: this is bus line number six.