Perhaps the best solution to our growing energy challenges comes in a bulletin from the Union of Concerned Scientists: "Our society's future success cannot hinge on one single solution. The answer instead must come from a family of diverse energy technologies that share a unified purpose -they do not deplete our natural resources or destroy our environment." Despite the difficulties, it is important to remember that an energy crisis is approaching at supersonic speeds and will soon be upon us. In order to inaugurate a new era in energy, we must act quickly and work toward international collaboration to find the most effective solutions to our energy problems.

请问粗体字部分为什么是comes in不是come from?