He seemed to rely mostly on property valuations when making loan decisions, rather than the more conservative approach of assessing the cashflows the properties would yield.

He has superhuman strength and tends to rely mostly on this.

Despite their developed eyes, they seem to rely mostly on their antennae when hunting.

Conflicts of high intensity and lengthy duration may have to rely mostly on supplies that are produced while they are ongoing.

Although birds have lungs they rely mostly on air sacs for respiration.