It's about this high.
大約有這么高。
There have been some problems but basically it's a good system.
雖然出現過一些問題，但這基本上仍不失為一個好系統。
It's been quite a day, one way and another.
從幾方面看，這是不尋常的一天。
It's good to meet people from different parts of the country.
結識來自這個國家不同地區的人是有益的。
It's only human to want the best for your children.
為自己的孩子謀求最好的條件是人之常情。