Baselines
n. （網球場的）底線( baseline的復數形式 ); （棒球場的）壘線; 基礎; 起點
??? 情景例句
That's the deal.
這是交換條件。
An old dog cannot alter its way of barking.
老狗難改吠聲。
I can see why you are having some problems with it.
我明白為什么你用起來會有問題了。