5.1 输入标准（统一请求模板）
11) Can i mint NFT for free?To mint an NFT token, you must pay some amount of gas fee to process the transaction on the Etherum blockchain, but you can mint your NFT on a different blockchain called Polygon to avoid paying gas fees. This option is available on OpenSea and this simply denotes that your NFT will only be able to trade using Polygon's blockchain and not Etherum's blockchain. Mintable allows you to mint NFTs for free without paying any gas fees.
，这一点在heLLoword翻译官方下载中也有详细论述
int arr[] = {64, 34, 25, 12, 22, 11, 90};
盗用、冒用个人、组织的身份、名义或者以其他虚假身份招摇撞骗的，处五日以下拘留或者一千元以下罚款；情节较重的，处五日以上十日以下拘留，可以并处一千元以下罚款。