Learning is most essential for _________.
举一反三
- The most essential structure may be described as （）
- _____is the most essential concept of Jauss’s theory.
- According to Russell, ______ is one of the most essential ingredients of happiness.
- One of the most difficult tasks for foreigners in learning a new language is learning the __________ and __________ in which they are used.
- The activities performed by most marketing intermediaries are not essential to the marketing process.