The inflationary universe model suggests that the universe expanded exponentially in the first fraction of a second after the Big Bang.

全红婵介绍自己过去3年的训练时表示，自己因为身体发育需要不断修改动作，训练特别辛苦

法律是蜘蛛网，大苍蝇可以穿过去，小苍蝇却被困住。

The future of food security lies beneath the waves, if we're willing to cultivate it responsibly.

林业的短期收益往往会导致地球的长期损失。