testify to的用法和樣例：
例句
- We cannot assign a cause to these events.
我們無法說明發生這些事件的原因。 - All this points to the same conclusion.
所有這些都說明了同樣的結論。 - I wish to dissociate myself from those views.
我想表明我本人是不贊成那些觀點的。 - That means the liner is about to leave the port.
這表明船要離港了。
