You must never think that you are good at while others are g

You must never think that you are good at while others are g I think you are [good] at basketall than baseball I think you are good at dancing是什么意思 Do you think that good manners are infectious? Are you good at ________? Are you good at swimming? you,at,are,good,swimming what are you good at Are you good at Chinese Are you good at ____ Are you good at English? i think it wrong that you never help others.