The authorities view him as a crucial link to a secret terrorist organization.

Second, it serves as a crucial link for China's international trade.

Their friendship would become one of the crucial links in his life.

He is a crucial link between classical literature and modern archaeology.

Talk is a crucial link between parents and children.

The plant was developed as a crucial link in hydrogen bomb production.

Managers are the crucial link between every business and its employees.

Furthermore, there is a crucial link between sport, exercise and public health.

The crucial link between sustainable development and environmental protection is therefore still missing.

But this crucial link has not kept pace with the rest of the network.