这个产品多了一个，这个产品少了一个，这个单词里多了一个字母，这个单词里少了一个字母，帮忙英文翻译
英文翻译：
This product is in excess of one and that product is short of one.
This letter is in excess of one letter and that world is short of one letter
Please help me with translation of what is mentioned
