Ngokwezibalo, ngo-2020, inani leenkomo zobisi e-China ziya kuba zizigidi ezi-5.73, kwaye inani lamadlelo eenkomo zobisi liya kuba ngama-24,200, ikakhulukazi asasazwe kumazantsi-ntshona, kumantla-ntshona nakumantla-mpuma.Kwiminyaka yakutshanje, iziganeko "zobisi olunetyhefu" zenzeke rhoqo ...
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