It isn't necessary for Grandma to take the pills.

奶奶没必要吃药。

The new policy is ambitious but necessary for growth.

新政策有雄心，但对增长是必要的。

The rectification of the policy was necessary for compliance.

为了合规，政策的矫正是必要的。

The imposition of a curfew was necessary for public safety.

为了公共安全，宵禁的施加是必要的。

The reconstruction of the bridge was necessary for safe travel.

为了安全出行，桥梁的重建是必要的。

Diluting the solution is necessary for the experiment to proceed.

为了实验的进行，稀释溶液是必要的。

He believes that corporal discipline is necessary for children.

他认为对孩子进行肉体的纪律是必要的。

Proper dilution of the chemical is necessary for safe usage.

化学品的适当稀释对于安全使用是必要的。

The deactivation of the alarm system was necessary for maintenance.

为了维护，报警系统的停用是必要的。

Some argue that commercialism is necessary for economic growth.

有些人认为商业主义对经济增长是必要的。