[280-167] sober
adj.适度的[280-167] qualified
adj.合格的[280-167] rational
adj.合理的(reasonable)[280-167] reliable
adj.可靠的,可信赖的(dependable)[281-167] preferable
adj.可取的(advisable)[281-167] available
adj.可用的(obtainable,accessible)[281-167] fitting
adj.恰当的,得体的(proper,appropriate)