2 sentences

1. 这种新药服用后很快就会显效。

   zhè zhǒng xīn yào fú​yòng hòu hěn kuài jiù huì xiǎn​xiào.

   This new drug will take effect soon after being taken.

   Source: Dong Chinese Dictionary

2. 我们在治疗初期就观察到了显效。

   wǒ​men zài zhì​liáo chū​qī jiù guān​chá dào le xiǎn​xiào.

   We observed significant effects in the early stages of treatment.

   Source: Dong Chinese Dictionary