可以用英文講下[對334的意見嘛?] and [你覺得youth tube 係pros or cons]? thx

youth tube pros:1.broaden your horizons 2. train your language 3. immediately access to important information in details through witness
cons:1 too many recreation materials 2 easy access to violence or sex materials (eg bus uncle) 3 knowlege provided might come from unreliable source