常用表达方式：

回答问题 + because … + for example,…

回答问题 + as … + like …

示例：

I: Do you think people should follow a vegetarian diet?

C: No, a vegetarian diet is not desirable, because it lacks protein. For example, if you just have rice and cabbages every day, you’ll not feel good. Only meat can supply the essential protein your need.

常用表达方式：

回答问题 + even though …, …

回答问题 + maybe it’s true that …,but …

示例：

I: Do you think people should follow a vegetarian diet?

C: No, a vegetarian diet is not desirable. Even though it’s advocated as a healthy way to eat, I’m afraid people can’t have sufficient protein they need if they just eat vegetables and carbohydrate and don’t eat any meat.

常用表达方式：

回答问题 + first, … + second, …

回答问题 + for one thing, … + foranother thing, …

示例：

I: Do you think people should follow a vegetarian diet?

C: No, a vegetarian diet is not desirable. For one thing, a diet without meat is, contrary to many people’s assumption, actually unhealthy. A vegetarian diet won’t provide adequate nutrition. For another thing, being a vegetarian means a farewell to many delicious dishes cooked with meat. It’s a big loss.

常用表达方式：

It depends on … + For …, … +But for …, …

It varies from case to case. +For …, … + As for …, …

示例：

I: Do you think people should follow a vegetarian diet?

C: Actually, it depends on the sort of people in discussion. For young people like teenagers, it is not recommendable, because they need the nutrition for physical development. But for older or overweight people, a vegetarian diet is quite desirable, even necessary.