The mechanical tissue flakily situated in the downside of the main vein and the bigger lateral veins.

机械组织成片存在于主脉和较大侧脉靠下表皮侧。

Be hyperconservative when it comes to downside risk, hyperaggressive when it comes to opportunities that cost you very little.

当出现滑坡险其保守，当需少资金投入的机会出现十分积主动。