golden rule

very important principle which should be followed when performing a particular task 重要的原则; 金科玉律: The golden rule in playing tennis is to watch the ball closely. 打网球最重要的一点就是紧盯著球.

going, going-over, goings and comings, goings-on, goitre (US goiter), gold, gold foil (also gold-leaf), gold medallist, gold standard, gold-digger, gold-dust, gold-field, gold-mine, gold-plate, gold-rush, goldbrick, golden, golden age, golden eagle, golden jubilee, Golden Syrup, golden wedding, goldfinch, goldfish, goldsmith, golf, golf ball, golf-club, golf-course (also golf-links), golfer, Goliath, golliwog, golly, goloshes, gonad, gondola, gondolier, gone, goner, gong,