21.We often find ourselves caught/involved in a dilemma whether we should reach for the bears paw or for the sharks fin....我們常常發現自己陷入一個進退維谷的境地:是取魚翅還是熊掌....

　　22.There is a growing worldwide awareness of the need for....世界性的對...需要的認識正在不斷深入.

　　23.Recently the issue/problem of... has been in the limelight/brought into fcus/brought to public attention/concern.最近...的問題引起了人們的注意/成了焦點問題/引起了公眾的注意/關注.

　　24.Recently the phenomenon has aroused wide concern.最近這個現象引起了廣泛關注.

　　25.One of the problems/issues we are faced with is that...我們面臨的其中一個全球性的/緊迫的/迫在眉睫的問題是....

　　26.Recently the problem/issue/conflict has become the focus/concern of the public.最近這個問題/沖突成了公眾關注的焦點/中心.

　　27.There is a debate/discussion/controversy today/nowadays as to/over/on/concerning the issue/problem of...Those who criticize/oppose/object to...contend/argue that ....They believe that...But people who advocate/favor/are for...,on the other hand, maintain/assert that...當前,人們就某事/現象展開了激烈/廣泛的/熱烈的討論/爭論.批評/反對的人們辯稱....,他們認為.....然而,支持者卻認為.....

　　28.A public debate has arisen as to the phenomenon of ...關于...的現象引發了一場公眾討論.

　　29.There is a long-running debate as to whether....關于是否....有一場持久論戰.

　　30.It is undeniable that ... has become the biggest concern of the present-day world.不可否認的是,...已成了當今世界最令人關注的問題.

　　21.We often find ourselves caught/involved in a dilemma whether we should reach for the bears paw or for the sharks fin....我們常常發現自己陷入一個進退維谷的境地:是取魚翅還是熊掌....

　　22.There is a growing worldwide awareness of the need for....世界性的對...需要的認識正在不斷深入.

　　23.Recently the issue/problem of... has been in the limelight/brought into fcus/brought to public attention/concern.最近...的問題引起了人們的注意/成了焦點問題/引起了公眾的注意/關注.

　　24.Recently the phenomenon has aroused wide concern.最近這個現象引起了廣泛關注.

　　25.One of the problems/issues we are faced with is that...我們面臨的其中一個全球性的/緊迫的/迫在眉睫的問題是....

　　26.Recently the problem/issue/conflict has become the focus/concern of the public.最近這個問題/沖突成了公眾關注的焦點/中心.

　　27.There is a debate/discussion/controversy today/nowadays as to/over/on/concerning the issue/problem of...Those who criticize/oppose/object to...contend/argue that ....They believe that...But people who advocate/favor/are for...,on the other hand, maintain/assert that...當前,人們就某事/現象展開了激烈/廣泛的/熱烈的討論/爭論.批評/反對的人們辯稱....,他們認為.....然而,支持者卻認為.....

　　28.A public debate has arisen as to the phenomenon of ...關于...的現象引發了一場公眾討論.

　　29.There is a long-running debate as to whether....關于是否....有一場持久論戰.

　　30.It is undeniable that ... has become the biggest concern of the present-day world.不可否認的是,...已成了當今世界最令人關注的問題.