A summer restaurant is often part of a chain of restaurants, or a bigger company that runs several different restaurants and hotels, so the staff might work somewhere else during winter. (elegance-revisited.com)
We are thinking of a significance other than that which the event has as part of the chain of causation which has produced the later time. (religion-online.org)
Once you've run the chain through, open up the clip and connect the other end of the chain on to make a complete loop. (fitstep.com)