Gender gaps in pay and employment are not just about discrimination; they reflect deeper societal structures and choices.
实现明天理想的唯一障碍是今天的疑虑。
翻译：鼓励人们坚持不懈地努力，最终会取得成功。
The future of energy lies in a diversified mix that includes both traditional and renewable sources.
能源的未来在于包括传统能源和可再生能源在内的多样化组合。
The true essence of scientific discovery is not in the answers it provides, but in the new questions it raises.
Economic progress depends on both new ideas and better implementation.