Air transportation issues in China and other countries
The impact of global value chains on rich and poor countries
The power of ideas: The rising influence of thinkers and think tanks in China
The real issue here is whether China and Russia will be prepared to go into domains that until now they have not been prepared to enter and that very specifically concerns oil.
If the Chinese and the Russians both would be prepared to limit, or suspend outright, oil deliveries to the north, that's a very consequential step. It may have a much, much more potent effect than all of these issues related to sanctions.