1·In totalitarian societies, art exists for didactic purposes.
在极权社会中，艺术是为教诲目的存在的。
—— 《柯林斯英汉双解大词典》
2·The unit has become part of a larger department and no longer exists as a separate entity.
这个单位已附属于一个大的部门，不再作为一个实体独立存在。
—— 《牛津词典》
3·The technology to allow relief workers to contact the outside world via satellite already exists.
允许救援人员通过卫星与外界取得联系的技术已经存在。
—— 《柯林斯英汉双解大词典》
4·It exists mostly among children from poor families.
它主要存在于贫困家庭的孩子中。
5·You pretend that this black hole which you worship exists.
你假装你崇拜的黑洞存在。