black mart purchase

例句：

1. 1. They made a black mart purchase of the stolen goods to avoid detection.
   他们通过黑市购买了被盗物品以避免被发现。
2. 2. The black mart purchase was done in secret to avoid any legal consequences.
   这个黑市购买是在秘密进行的，以避免任何法律后果。
3. 3. The government is trying to crack down on black mart purchases to prevent illegal activities.
   政府正试图打击黑市购买活动，以防止非法活动。