1.  A computer is the only way he could weigh up the effect of the bus fare factor.

2.  A rough gravel trail was the only way into town.

3.  About the only way to be a harem-guarding potentate nowadays is to start a cult and brainwash potential concubines about your holiness.

4.  An unsteady-looking rope bridge was the only way to get across the chasm.

5.  And the only way I figure we can get to it now is to dig a well by hand.

6.  And the only way to get overtime is fighting fires.

7.  As a general rule the only way to spend more per student was to have fewer students.

8.  Bateson now argued that the direct study of variation was the only way of trying to understand how evolution actually works.

9.  Because that was the only way to settle a long-running genetic dispute between sets of genes.