how has the philosophy developed over time,怎么理解? Yang would also note that Aspen has altered its investment philosophy over time in response to market performance. This suggests Aspen is reacting to markets, not pursuing a consistent philosophy. With this approach, Aspen’s performance results may not be repeatable.(原版书课后题M3-20);. Laurbær recognizes its strategy is exposed to potentially being arbitraged away and is more likely to evolve over time to deliver the ongoing returns desired by Patnode.(原版书课后题M3-22)这个developed over time一会说好,一会说不好。