2 sentences

1. 这种新药的疗效非常显著。

   zhè zhǒng xīn yào de liáo​xiào fēi​cháng xiǎn​zhù.

   The curative effect of this new medicine is very significant.

   Source: Dong Chinese Dictionary

2. 这种草药具有神奇的疗效。

   zhè zhǒng cǎo​yào jù​yǒu shén​qí de liáo​xiào.

   This herbal medicine has miraculous healing effects.

   Source: Dong Chinese Dictionary