卡迪夫大学艺术家罗伯特·佩珀尔创作的作品模棱两可，既不完全抽象，也不具有明显的代表性。
Robert Pepperell, an artist based at Cardiff University, creates ambiguous works that are neither entirely abstract nor clearly representational.
这种多元可能性显示了儿童心理学中一个重大障碍：由于只有有限的实验可以在孩子身上实践，因此结论特别模棱两可。
This multitude of possibilities illustrates one of the major hurdles in child psychology: results are especially ambiguous because only limited tests can be carried out on children.
鉴于大家都不满足于“不一定”这一模棱两可的回答，我开始重点关注水产养殖业内目前致力于提高养殖效率和可持续性的一些做法。
"It depends" isn't a very satisfactory answer, so I've been focusing on the efforts of some in the aquaculture industry to raise fish more efficiently and more sustainably.
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