Smiling doesn't necessarily means you're happy.

Smiling doesn't necessarily means you're happy.
Smiling doesn't necessarily means you're happy.

Smiling doesn't necessarily means you're happy.
微笑未必意味着你是幸福的

微笑不一定代表你快乐。

你笑着并不意味着你就快乐着.

yes ,but smiling is happy neclery

并非只有快乐时才微笑。