He missed a class yester day because of illness.
昨天他因病缺课。

We can t help but compare today s players with yester year.
我们情不自禁地把今天的球员和往昔的球员比较。

Yester was a history, tomorrow will be a present is a gift.
是呀, 有时间, 静下心来读一本好书, 是一种享受。

Probably she had not touched her dress since yester evening.
大概她从昨天晚上起还没有梳洗过。

Of course he is the same person throughout. He is just like he was yesterday and yester year —definitely, he is the same person.
当然他始终是同一个人。他和昨天及昨年的他一样－他肯定是同一个人。