Mammals do have the ability to regulate their body temperature, but not all can do it to the same degree, or even the same way.(哺乳动物确实有调节它们体温的能力，但并不是所有哺乳动物都能做到同样的程度，或甚至以同样的方式调节体温。)
Studying abroad can not only broaden our horizons but also enrich our life experience.(出国留学不仅可以开阔我们的视野，而且能丰富人生经验。)
Staying calm is not easy, but it can save your life.(保持冷静不容易，但这可以挽救你的生命。)
Strangely, some people find that they can smell one type of flower but not another.(奇怪的是，有些人发现他们能闻到一种花的香味但闻不到另一种。)
I like warm and tropical areas, but I also can live anywhere it's not too cold.(我喜欢温暖的热带地区，但我也能住在气候不太冷的任何地方。)
All best friends are friends, but not all friends can be best friends.(所有最好的朋友都是朋友，但并不是所有的朋友都能成为最好的朋友。)
Reading can not only make me feel relaxed but also satisfy my need to broaden my horizon.(阅读不仅可以让我感到放松，而且还可以满足我扩大视野的需求。)
We can believe the molecular data, the DNA, or we can believe the skeleton trail, but unfortunately, not both.(我们可以相信分子数据和DNA，或者我们可以相信骨架线索，但不幸的是，我们不能两者都相信。)
A heartfelt apology can not only heal a damaged relationship but also make it stronger.(一个真诚的道歉不仅能治愈一段受损的关系，而且能使之更牢固。)
Maize contains the vitamin niacin, but not in a form the body can absorb.(玉米中含有维生素烟酸，但不以人体可吸收的形式存在。)
