in the abstract 就一般而言, 理论上来讲 abstract sth from sth 从某物中提炼出某物 我们将从理论上来考虑这个问题。 We will consider this problem _____ _____ _____. 将一本书做成一个摘要。 Make _____ _____ of a book. 橡胶是从树木提取的。 rubber is _________ from trees.
in the abstract
an abstract
abstracted