It's hard to say. I like volleyball a lot, but I guess I like tennis better.
很难说,我喜欢排球,但我想我比较喜欢网球。
I'm so glad you could make it.
我很高兴赶上时间。
Those planning a trip to remote areas, or intending to live in countries where drinking water is not readily available, should know about the various possible methods for making water safe.