The point of modern sanctions is not that it makes import impossible (look at Russian circumvention for dual-use military technologies), but that it makes import at whole-economy scale more expensive and unreliable.
And ultimately that's what imposes economic costs.
It'll be curious how much of the gap is filled by substitute Chinese goods. (E.g. the domestic CFM-alternative engine projects [0])
With the wrinkle that Russia and China are united by their geopolitical opponents more than their friendship, and Xi doesn't seem thrilled about shackling the Chinese economy to the consequences of Russian war.
And ultimately that's what imposes economic costs.
It'll be curious how much of the gap is filled by substitute Chinese goods. (E.g. the domestic CFM-alternative engine projects [0])
With the wrinkle that Russia and China are united by their geopolitical opponents more than their friendship, and Xi doesn't seem thrilled about shackling the Chinese economy to the consequences of Russian war.
[0] https://en.m.wikipedia.org/wiki/ACAE_CJ-1000A