△means(n. 方式、方法、途徑)

(1) All means have been tried to solve the problem.

Every means has been tried to solve the problem.

(2) by means of 用……手段

Thoughts are expressed by means of words.

(3) by this means : in this way

Only by this means can we improve our English.

(4)by no means一點(diǎn)也不，絕不

He is by no means stupid.

By no means should he be left alone.

(5)by all means

①千萬、一定

By all means take your daughter with you.

②當(dāng)然行（用于回答）

- Can I leave now??

- By all means.