原版书上的这几话要怎么理解？ 1.For example, if the dollar is cheaper in terms of yen in the forward market than stipulated by CIP, then anyone able to borrow dollars at prevailing cash market rates could profit by entering an FX swap-selling dollars for yen at the spot rate today and repurchasing them cheaply at the forward rate at a future date. 2.A positive("wide") value of(f-s), above, indicates that party lending US dollars sells the foreign currency forward at a higher dollar price than warranted by the interest differential. Equivalently, a party borrowing US dollars via an FX swap-say, to hedge its US dollar asset-is effectively paying a higher interest rate on the swapped dollars than is paid in the cash market. 原版书页码为334-335

请问：信用百题第95题，7.5倍杠杆后的总资产是262.5，不是应该包括投资本金吗？理解应该是[(262.5-35)*1.35%＋35*3.5%]/35呀。这里对于杠杆倍数的理解有疑问。

题347请解答一下

没看懂。左边我写的d2的公式，分子是V/ke的-rt次方。rf下降，那-rt的r下降，-rt不就上升吗？为什么对N（-d2）无影响

WCL（95%）=1m/1000*28

D选项不太理解

没太理解选项与WWR的关系

C，D两个选项不太明白

麻烦解释下A，B，C选项

这个题不太理解