Tutor profile: Chi Z.
Please translate the sentence : 我们一起开心的去旅行，但是tom说他身体不舒服，不去了
We prepare to make a tour together. However, Tom said that he felt sick and may not go
what is 4Ps in marketing
product, price, place, promotion
What is basic accounting equation? use asset, liability, owner's equity.
needs and Chi will reply soon.