问题描述：
英语翻译
To promote the development of the domestic and global frastructures necessary for e-business,world business urges the elimination of duties on all IT products,full market access and an open,competitive market for electronic commerce,including commitments not to impose new barriers to the development of thee-commerce infrastructure.这个句子怎么翻译 为什么necessary前面没is?
To promote the development of the domestic and global frastructures necessary for e-business,world business urges the elimination of duties on all IT products,full market access and an open,competitive market for electronic commerce,including commitments not to impose new barriers to the development of thee-commerce infrastructure.这个句子怎么翻译 为什么necessary前面没is?
问题解答：
我来补答展开全文阅读