We are advocate economical life.
Although very rich, he still leads an economical life.
Political life, economical life, culture life have a strong relationship between each other.
The influence of inflation on economical life-span of steel fishing vessels in China;
The second section makes a research on economy to expose the economical life of Sui and Tang society.
A good calculating model of tractor economical life is no use, if there is no real, reliable data.
The most important thing for a person to satisfy at economical life is to equip oneself with the attitude of contentment on what one owns.
