He adds that given these unknowns, at the current stage no one can say anything certain about future production volume. First firms have to collect and analyze all the information from field testing and solve all the problems that come up. Only then can they begin selling to consumers.
李俊忠解釋，在風險未知下，現階段誰都談不上生產規模，必須把使用時的各種情境和問題蒐集整合並逐一解決後，才可能真正賣給消費者。