Underdeveloping
v. （使）发展不完全, （使）显影不足( underdevelop的现在分词 )
🗣️ 情景例句
Because the United States is the most important trade partner.
因为美国是我们最重要的贸易伙伴。
Perhaps you've heard our product's name. Would you like to know more about it?
也许你已听说过我们产品的名称，你想知道更多一点吗？
No! There's nobody there.
没有！什么人也没有！