The safety and efficacy of a vaccine are the most important criteria in its development.
疫苗的安全性和有效性是其研发中最重要的标准。
天然气领域的创新是可持续能源未来的关键。
Parents wonder why the streams are bitter, when they themselves have poisoned the fountain.
战争中,决心。失败中,不屈。胜利中,慷慨。和平中,好意。
It looks like a solitary sport, but it takes a team.
跳著舞的流水啊!当你途中的泥沙为你的歌声和流动哀求时, 你可愿意担起他们跛足的重担?
必须容许孩子选择物品,这可以让原来的发展得以持续,清除孩子尚无意识的心智之间的障碍。