Coal will remain part of the energy mix, but its role must be redefined for a cleaner future.
煤炭仍将是能源结构的一部分，但其角色必须为更清洁的未来重新定义。
A legal system is a system of rules which are valid according to the system's own criteria of validity.
我们不拥有记忆；记忆拥有我们。