The word of order in English

The word of order in English

First, to mention first, to begin with, first of all, firstly
Second, then, behind, what's more, in addition, third,... As follow
At last, last but not the least, above all, all in all, to sum up, in one word, on the whole, finally

Requirements: abbreviation, original word of the abbreviation, Chinese explanation
Then, thank the person who answered~

1. Sth. - something 2. Sb. - somebody 3. It's -- it is this is... 4. They're -- they are they're... 5. St. - Street 6. Doc. - doctor 7. WC -- water close 8. VIP -- very important person

The difference between job sharing and shift work is the intermediate word in the third edition of BEC
I can find the answers to these two sentences in the dictionary by myself. Thank you~~
I have no working experience and I am not very clear about these two working methods.

I have also done it. My understanding is that job-sharing is a shift, which means that two people can discuss and arrange their time with each other when they are working. For example, one is last Monday, Wednesday and Friday, and the other is last Tuesday, Thursday and Saturday. If one of them suddenly has something to do, he can discuss with the other to change the time