单语范例（未经PONS编辑处理）
No formal charges have been made against them.
en.wikipedia.org In keeping with the traditions of the then society, this young sufi did not attend any formal school for his education and training.
en.wikipedia.org It is important to note that a formal specification is "not" an implementation, but rather it may be used to develop an implementation.
en.wikipedia.org Here we have suppressed the indeterminate "z", since it is understood that jets are formal polynomials.
en.wikipedia.org Formal canonization is a lengthy process often taking many years, even centuries.
en.wikipedia.org