Week 2- Good expression:

Lilian: 1. Let's break it down how the selection works. 
2. The size of this group can vary. 
3. A lot of backroom wheeling and dealing involving senior members of China's Communist Party will determine... 

Nicole:
1.decision-making body(團體,組織)
2. Ivan finally determined who will be his replacement when he retires.
3.The merger was finalized in backroom deal.