（）is the most frequent activities in the logistics， but generally adds no value to a product， those operation should be kept to a minimum.
举一反三
- 中国大学MOOC: ___________ refers to the value, both tangible and intangible, that a brand adds to a product/service.
- A product presentation should be kept engaging. Here the word “engaging” means _________.
- A good product presentation should be kept short, simple, engaging and real.
- Those with deficiency cold of spleen and stomach, frequent urination and fear of cold should eat more lettuce.
- Activities for __________ should take the most important part in vocabulary teaching.