Translate this text from English to Czech.
'And he soon discovered that he had a big advantage.' 'lt's not that he's good with cards,' 'or even good at counting them.' 'lt's that he's good with reading people's reactions'
Translation: 'A brzy zjistil, že na tom může dost vydělat. 'Nejde o to, že to s kartama umí, 'nebo že je umí počítat.