诀窍: secret of success; tricks of the trade; knack 短语和例子成功的诀窍 the secret of success; 做生意的诀窍 the tricks of the trade; 学会诀窍 get [learn] the trick of it; 他教算术有诀窍。 he has a knack of teaching arithm
生意: tendency to grow; life and vitality 短语和例子生意盎然 full of life