The path to lower emissions requires a mix of solutions, including efficiency improvements, carbon capture, and alternative energies.
Security is not an add-on feature but the foundation.
The biographer's challenge is to be both a detective and a poet.
几乎找不到一个能干的工人，他不会花大量时间研究自己可以工作得多慢，同时还能让雇主相信他工作得不错。