几周后，肉毒杆菌素开始产生作用。

After a few weeks, the Botox began to take effect.

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他第一次给他的客户使用肉毒杆菌素是什么时候？

When, I ask, did he first start using Botox on his clients?

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接受了（肉毒杆菌素）注射的女性会感觉到疼痛的减少。

Women who receive the injections feel less pain.

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现年37岁的弗朗西斯卡四年来一直是肉毒杆菌素的粉丝，她说：“为什么不尝试呢？”

Francesca, 37, has been a fan for the past four years. "Why not?"

youdao

现年37岁的弗朗西斯卡四年来一直是肉毒杆菌素的粉丝，她说：“为什么不尝试呢？”

Francesca, 37, has been a fan for the past four years. "Why not?"

youdao