[译] 太阳总是从东方升起。
[误] The sun usually rises in the east.

[正] The sun always rises in the east.
[注] always 和 usually 都是频度副词,always 表示 at all times,而 usually 只表示 generally 的意思。太阳只有从东方升起,所以必须用 always。其他常用的频度副词按发生频率的高低程度依次为 often,sometimes,seldom 和 never。