关键之一英语短语怎么说

One of the key phrases in English is "key phrase." This refers to a phrase that is important or significant in some way, and is often used to convey a specific meaning or concept. For example, you might say "time management is a key phrase in the business world" to indicate that time management is an important concept in business. Other common key phrases in English include "at the heart of," "crucial," "central," and "essential."