Incalculatingthedailycalorierequirementsforanindividual,variationsinbodysize,physicalactivity,andageshouldbetakenintoaccount.

Communicationisoneofthemostimportantbondsthatholdculturalsystemstogether.

Mary McCarthy s satires 讽刺文学 are couched in a prose style that has a classic precision.

Batsfly,ratherthanglide,andthusaretheonlymammalscapableoftrueflight.

Insect pests are among the leading causes of crop failure.