In theory, at least, the problem is that there are very many choices to make.
至少在理论上，问题在于我们要做太多选择。
In theory, says Valentijn, this can create a high enough temperature to generate superheated steam.
瓦伦坦泰因说，理论上，这可以创造一个足够高的温度来产生过热蒸汽。
Pupils attend the school in their own neighbourhood, which in theory removes ranking by school.
学生们在自己的社区上学，这在理论上解决了学校排名的问题。
In theory, a girl may veto the spouse her parents have chosen.
理论上，女孩可以否决她父母已为之选择的配偶。
In the internet age, at least in theory, this fraction can be much reduced.
在互联网时代，至少在理论上，这个比例可以大大降低。
The other alternatives are attractive in theory but in practice are either impractical or offer only marginal improvements.
其他替代方案在理论上很有吸引力，但在实践中要么不切实际，要么只能提供微不足道的改进。
We could do this in theory by studying an enormous impact crater, known as the South Pole-Aitken Basin.
理论上，我们可以通过研究一个名为南极-艾特肯盆地的巨大陨石坑来做到这一点。
While consumers are spending less on toilet paper, they remain fussy in theory at least when it comes to paper quality.
虽然消费者在卫生纸上的花费减少了，但从理论来看，他们至少对于纸的质量仍然很挑剔。
Conversely, flat sharing can be very cheap and there will always be someone to talk to and go out with, and the chores, in theory, can be shared.
相反，合租公寓可能很便宜，而且总会有人可以一起聊天，一起出去，并且理论上还可以一起分担家务。
Importing African cheetahs to the western United States could, in theory, put the pronghorn back onto its natural evolutionary trajectory according to these biologists.
