兹

zī lǐ yì jiàn

兹理易见。

This principle is obvious.

zī shì tǐ dà

兹事体大

This is indeed a serious matter.

zī fù shang rén mín bì sān yuán

兹附上人民币三元。

Three yuan is hereby enclosed.

yú zī yǐ yǒu shí zǎi

于兹已有十载。

Ten years have passed since then.

zī dìng yú shàng wǔ shí diǎn zài běn xiào lǐ táng jǔ xíng kāi xué diǎn lǐ

兹订于上午十点在本校礼堂举行开学典礼。

This is to announce that the school's opening ceremony will be held at the assembly hall at 10 a.m.