지금까지 계속 문제를 겪어 온 ETS는, 배출권 판매를 희망했던 동, 중유럽 국가들의 기대를 충족시키지 못해 온 것이 사실이다.
It is true that ETS, which has suffered from problems so far, has not been able to meet the expectations of Eastern and Central European countries that hoped to sell emission permits.