求翻译：行，都听叔叔的，可是我不知道如何在网上买，我下午有与爸爸商量，爸爸同意让我买只1万2到1万4价钱的电脑，这让我感到非常，叔叔你知道爸爸从来不会答应我买怎么贵的东西，所以我想把握好，不要出一点错误是什么意思？

Line, listen to Uncle, but I don't know how to buy online, I discuss it with the father in the afternoon, father 10,002 per cent agreed to let me buy only the price of computers, it makes me feel very, uncle, you know how your dad never promised to buy me something, so I wanted to get a good grasp, not a little error