One of the reasons it is not possible is that, even if you were successful in eliminating all causes of death, the increase in life expectation would be no more than 15 years.

说它不可能的理由之一，就是即使你成功地消除了所有导致死亡的因素，预期寿命的延长不可能超过15年。

youdao

But of all the possible characteristics that can affect one's success, I believe self-confidence to be the most important for the following reasons.

但在所有可能影响成功与否的特点中，基于下列理由，我认为自信最重要。

youdao

In this course, students, parents, teachers and even our society are all outside reasons which make it possible for some of the students to become problem ones.

在这个过程中，学生、家长、教师和社会环境都是因变量，在学生成长的不同阶段成为“问题学生”产生的诱因。

youdao

"The failure of Greece, " he said, "would be the failure of all Europe... it is not possible to let Greece fail, for moral and economic reasons".

BBC: The Greek conundrum