upfront payment 用波兰语:

1. płatność z góry

波兰语 单词“upfront payment“（płatność z góry）出现在集合中：

L5 'Why are advertisers tracking your emojis?'
L5 'Why are advertisers tracking your emojis?'
L5 'Why are advertisers tracking your emojis?'
L10 'Why are advertisers tracking your emojis?'
L15 'Why are advertisers tracking your emojis?'