Through linking, different systems create a direct or indirect connection with each other. (icapcarbonaction.com)
There are however two indirect connections between «autumn weather» in north - western Europe and La Niña that one could theorise: (bitsofscience.org)
On her deathbed» after she had made her way from America to England in order to join the Resistance» Weil declared, «I can not have any direct or indirect or even any very indirect connection with the French Resistance.» (firstthings.com)