I am noting cases where in the Culture section new vocabulary is introduced but without the usual play/record mechanism. Note that without this, it does not get included in the testing section. In this lesson, the word 食品街 (shípǐnjiē) which means "street food". However, if I enter it into MyVocab, it has no matches which implies it does not appear in any lessons. There are two other words that are mentioned but they do appear in other lessons. If 食品街 (shípǐnjiē) were in the Extra Vocabulary section, that would fix the issue.
Lesson 4.5 Making Reservations - shípǐnjiē

Robert-C7
August 21, 2014

Rocket-Languages
September 8, 2014
Hi Robert, thanks for your post. As a general rule, the Culture lessons don't include any audio, and therefore words mentioned in this section of the course are not added to the Testing section. However, I will mention this to the Product Development team for their consideration. Thanks for bringing it to our attention.

Robert-C7
September 8, 2014
I hope at least you can add the vocabulary introduced into the "Extra Vocabulary" section. That would be helpful and will help us retain the information.