Bellwethers
系鈴的公羊( bellwether的名詞復數 )；前導；領導者；群眾的首領
??? 情景例句
I know that.
我知道。
The samples you asked for will follow by separate post.
貴方所要樣品另行郵寄。
It is one of the most unpleasant discoveries which we all make that we must decline in this way,
人人必然會衰老。