undeclared goods的用法和样例：
例句
- They are looking for conterband contraband, underclared undeclared goods, and people, including terrorists, trying to enter the country illegally.
他们寻找违法交易，未申报的商品，和人员，包括试图非法入境的恐怖分子。 - The official salaries of most Russian workers hover around a hundred dollars a month, although many earn some undeclared income on the side.
尽管许多人挣得了一些未申报的收入，但官方出具的俄罗斯工人的薪水却徘徊在每个月一百美元左右。
