第一代杂种的同一性，第二代的不相似性，是精确观察者无法忽视的事实。
The uniformity of the hybrids in the first generation, the dissimilarity in the second, are facts which cannot escape the attention of an accurate observer.
Technology can be our greatest ally in ensuring responsible and efficient fishing practices.
戏剧不是散文，也不应该被变成散文。
最伟大的教训来自最艰难的挣扎。