1. Yet little has been done to solve this problem worldwide.
2. To make one final point, …
3. As we are all aware …
4. … has long been an issue debated mainly in … around the world.
5. One example is that …
6. Conversely
7. The final point that I would like to make is that …
8. Likewise, it is no longer required that … nor is it …
9. at all costs
10.What is important to remember is that …
11.preservation and protection
12.In this increasingly global world, …
同義詞：
解決：solve, resolve, deal with, cope with, handle, tackle
消除：get rid of, eradicate, eliminate
發(fā)展：develop, cultivate, foster
優(yōu)勢：advantage, merit, virtue, benefit, upside, strength
損害：damage, hurt, injure, harm, impair
給予：give, offer, render, impart, provide
缺陷：disadvantage, detect, demerit, drawback, downside, weakness
依賴：rely on, depend on, count on
十分：very much, immensely, hugely, largely, greatly, enormously, tremendously
