Which of the following statements are correct?Multiple-choice question (you may select more than one options):
选项：

A:One’s outlook on life is one’s fundamental view of the purpose and meaning of life
B:One’s world outlook is a crucial part of one’s outlook on life
C:The outlook on values, which are at the core of the philosophy of life, refers to one’s distinctive view of the value of life among all the people;
D:Philosophy is the study of world outlooks only