It doesn't need any alterations. We must've bought the right size.
不需作任何修改。我们一定是买对了尺寸。
Every potter praises his own pot.
老王卖瓜,自卖自夸。
Apparently what happened was that water collected on these tar pits, and the bigger animals like the elephants ventured out on to the apparently firm surface to drink, and were promptly bogged in the tar.